Will give brainliest to whoever helps me PLEASE

Answer: I love to help I wasn't sure but I look the question up and A is the most that popped up. So I hope this helps And truly sorry if it's wrong also PLEASE DON"T MAKE ME BRAINLIEST.

Explanation:

You are beautiful. You are amazing. You are wonderful. You are perfect just the way you are. Never worry about the way people think about you. Only worry if you like you. You are the most important person to yourself. Just be yourself. No can tell you who you can be. You are truly perfect just the way you are. Never tell yourself you are not good enough, you are enough. Never tell yourself "I'm ugly" you are beautiful. Never let yourself down.

I would answer with A. cell membrane

I know it's not B. ribosome for a fact

Answer:

What would explain the change in reaction rate —degradation of cellulose by the enzyme cellulase—after 75 minutes is the depletion of the substrate on which the enzyme must act.

Explanation:

A chemical enzymatic reaction, such as cellulase degradation of cellulose, occurs until the substrate is consumed.

The solution to which cellulase is added has the same concentration of cellulose, and what is done is to add enzyme. In the graph you can see that the reaction takes place over time, decreasing the amount of glucose obtained. From 75 minutes onwards the reaction rate decreases as well as the amount of glucose obtained from the reaction, which is due to the fact that the substrate —cellulose— is being depleted.

Answer:

In photosynthesis reserve food material (starch) is prepared using CO2 and H2O .

In cellular respiration reserve food material is broken down into CO2 and produce energy.

Answer:

Calcium signaling is the use of calcium ions (Ca2+) to communicate and drive intracellular processes often as a step in signal transduction. Ca2+ is important for cellular signalling, for once it enters the cytosol of the cytoplasm it exerts allosteric regulatory effects on many enzymes and proteins. Ca2+ can act in signal transduction resulting from activation of ion channels or as a second messenger caused by indirect signal transduction pathways such as G protein-coupled receptors.

Explanation:

Wikipedia

Answer options:

a.) chromosomes are duplicated before cell division so that each new daughter cell has a complete set.

b.) chromosomes are divided evenly during cell division so that each new daughter cell has an equal share of the original set.

c.) chromosomes are stored in the original cell to direct the division of all daughter cells, which do not have their own chromosomes.

d.) chromosomes are randomly distributed during cell division so that some new cells have partial sets while others have complete sets.

Answer:

a.) chromosomes are duplicated before cell division so that each new daughter cell has a complete set.

Explanation:

The cell divisions that allow organisms to grow are called mitosis. Before mitosis, all the DNA is duplicated.

Then, during mitosis, it condenses to form chromosomes. The identical chromosomes align in the centre of the cell. Then, they are equally distributed to among two daughter cells.

These two daughter cells each have a complete set of chromosomes. Each  daughter cell identical to the parent cell and to the other daughter cell.

Answer:

B.the known laws of science cannot account for the origin of mass.

Explanation:

i just finish that test

Answer:

The lens is located in the eye. By changing its shape, the lens changes the focal distance of the eye. In other words, it focuses the light rays that pass through it (and onto the retina) in order to create clear images of objects that are positioned at various distances.

Explanation:

Also, I searched this up, but I hope this helps :) !

The main optical function of the lens is to transmit light, focusing it on the retina. The cornea contributes about 80% of total refraction, while the lens fine-tunes the focusing of light onto the retina.

Refraction is the redirection of a wave as it passes from one medium to another. The redirection can be caused by the wave's change in speed or by a change in the medium.

Moreover, refraction is the bending of light (it also happens with sound, water and other waves) as it passes from one transparent substance into another. This bending by refraction makes it possible for us to have lenses, magnifying glasses, prisms and rainbows. Even our eyes depend upon this bending of light.

Therefore, light waves change speed when they pass across the boundary between two substances with a different density , such as air and glass. This causes them to change direction, an effect called refraction.

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Answer:

(D) filters out harmful ultraviolet radiation

Explanation:

edg 2020

The disadvantages of an agricultural society include dependence on a few crops, greater vulnerability to natural events and need for intense physical labor. The economy of an agricultural society depends on climatic factors.

An agricultural society can be defined as a population where the economy is based on producing extensive crops.

An agricultural society can also be defined when a country is based its economy on agriculture instead of industrialization.

These economies are highly dependent on climatic natural factors which can affect the yield of a limited number of crops (e.g., maize, wheat, soybean, etc).

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Question:-

• Which of the following is a function of mitochondria in a cell?

Answer:-

– B. The mitochondria create the most energy for the cell

Reason:-

Because mitochondria is known as the power House of the cell.

It release energy in the form of ATP (Adenosine triphosphate).

Answer:

Most likely A

Explanation:

As the height (m) increases, the weight (kg) also tends to increase.

answer is included in the picture below.

Answer:

Step 1

Delegate a portion of your garage, shed or basement closet as a place to store tools. Clean out the junk and clutter and make a space only for tools. Figure out how much space is needed for the amount of tools you have. Sweep away cobwebs, dirt and other foreign matter. Get a shelving unit and store chemicals, liquids and paint substances out of the reach of children and pets.

Step 2

Find the parts. Locate cords, bits, nails and screws and organize them. Allocate plastic bins to store smaller household tools. If you have a large tool collection, organize by type for easy location. Keep the parts for each specific tool close by.

Step 3

Clean out dirt and debris from tools. Oil power tools to lubricate moving parts. Repair loose handles and clean out oil or other fluids used to power the tool. Sharpen blades and replace worn out parts.

Step 4

Set up racks. Mount commercially available racks along the wall of your garage or storage area to hang garden tools, cords and other equipment. Screw racks into the wall with screws recommended by the manufacturer and a power drill. Wind long cords in a loop and hang from rack. Place tools on racks by the handle. Draw the outline of the tool with a permanent marker to identify its place, or use labels to mark the location.

Step 5

Create a library. For tools and appliances that have various functions, designate a library area or bin within the storage space for user manuals and warranty sheets. Store the booklets alphabetically and in a dry area. Type up a sheet listing all of the books to create simple table of contents.

Answer:

True

Explanation:

That is the exact definition that I learned.

The mountain was formed by a series of volcanic eruptions. Option D

The geologist can infer from the data that the mountain was created by a sequence of volcanic explosions. It is stated that the mountain is composed of numerous, generally uniform strata of igneous rock.

In most cases, molten material such as lava or magma that is ejected during volcanic eruptions solidifies to produce igneous rock.

Multiple igneous rock strata may accumulate over time while the volcanic activity persists, eventually producing a mountain.

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Answer:

According to the current fossil record, scientists believe that the life on earth began about 3.5 billion years ago.

Answer:  Epithelium tissue refers to the sheets of cells that cover exterior surfaces of the body, lines internal cavities and passageways, and forms certain glands. Connective tissue binds the cells and organs of the body together and functions in the protection, support, and integration of all parts of the body. Muscle tissue is excitable, responding to stimulation and contracting to provide movement, and occurs as three major types: skeletal (voluntary) muscle, smooth muscle, and cardiac muscle in the heart. Nervous tissue is also excitable, allowing the propagation of electrochemical signals in the form of nerve impulses that communicate between different regions of the body

Explanation:

Answer:

The species of Archaeopteryx is lithographica and siemensii

Explanation:

Fun fact: Archaeopteryx is a combination of two ancient Greek words: archaīos, meaning "ancient," and ptéryx, meaning "feather" or "wing." 

Archaeopteryx has long been thought to be the earliest known bird and a transitional form between birds and reptiles.

Many consider Archaeopteryx, which lived approximately 150 million years ago, to be the first bird.

It is actually a transitional species between the birds we see in our backyards and predatory dinosaurs like Deinonychus.

Many features of Archaeopteryx, such as teeth and a long tail, indicate that it evolved from comparatively tiny carnivorous dinosaurs.

It also has a wishbone, a breastbone, hollow thin-walled bones, air sacs in the backbones, and feathers, as do nonavian coelurosaurian relatives of birds.

Archaeopteryx was thought to be the first recognized bird and a transitional form between birds and reptiles for a long time.

Thus, the two groups that are represented in archaeopteryx are birds and reptiles.

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Answer:

Introduction of Non-native species would be the answer. ( B )

Explanation:

Now let's break it down.

A. Competition due to overpopulation

Competition due to overpopulation, as competition of resources rises, species will fight among each other, and slowly, population will go down. But I don't see the reason of why it would cause an extinction... perhaps a decrease of population. See, once populations starts decreasing, resources will increase. And ONCE resources increase, populations starts increasing, and there goes competition. Resources decreases, populations decreases, and the whole process repeats. So I'm not quite sure whether it will cause extinction of a species.

B. Introduction of Non- native species.

So what does it mean by Non-native species?

It means that species that have no effect and doesn't exist in the ecosystem. So that will definitely not affect the population whatsoever.

C. Catastrophic Events

Well, common sense. Many people died of tsunamis, tornado and other natural disasters every year. Too many disasters can cause the population to cease.

D. Disease

This we can relate, especially the Coronavirus. Many humans died of the deadly virus. Same goes to animals. If a disease gets too deadly, population will decrease and drive the species to extinction.

So, the Answer would be B.

Among the given options, the one that is a natural cause of extinction would be:

b). Introduction of non-native species.

'Non-native species' are described as the species that are introduced to an ecosystem different from its native habitat.

These species are severe threat to the existing ecosystem of the new habitat including plants, animals, aquatic life, etc. where they've been shifted.

Thus, it is not a natural cause as these species are not naturally introduced but the humans introduce them.

They turn so dominating to get their food and other things that it lead not only harmful but also lead to the extinction of the native species.

Hence, option b is the correct answer.

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Answer:

Set multiple alarms!1!!1!!1!1 When you go to bed put your phone far away so you'll have to walk to it to turn it off.

Explanation:

It's most likely you'll fall asleep and feel tired when you wake when you don't wanna wake up. Putting it at a distance and setting it multiple times in short times will help you wake up better as it can continuously make you more and more awake.

A.Petals. Usually, petals are the most prominent part of a flower structure, owing to their vivid color (in most flower examples) and sometimes scent. Their main function is to attract pollinators and also protect the inner reproductive structures of a flower. In some flowers, petals are absent or reduced.

B.Stamen: The pollen producing part of a flower, usually with a slender filament supporting the anther. Anther: The part of the stamen where pollen is produced. Pistil: The ovule producing part of a flower. The ovary often supports a long style, topped by a stigma.

C.Pistil interaction precedes fertilization in the flower. Important changes occur in the pistil, which play a role supporting, but also controlling pollen-tube growth

D. The ovule is the organ that forms the seeds of flowering plants. It is borne in the ovary of the flower and consists of nucellus protected by integuments, precursors of embryo/endosperm, and seed coat, respectively.

Answer: C - Chromosomes create genes

Explanation: took the test 100%

Answer: chromosomes create genes

Explanation:

It’s c

a)121 million gigatons or 121 million billion metric tons" of carbon).

B)The ocean, with around 38,000 gigatons

c)60 gigatons of carbon

Answer:ATP

Adenosine 5'-triphosphate, or ATP, is the most abundant energy carrier molecule in cells. This molecule is made of a nitrogen base (adenine), a ribose sugar, and three phosphate groups. The word adenosine refers to the adenine plus the ribose sugar.

Explanation:

Answer:

temparate deciduous

grasslands

tropical rain forest

taiga

tundra

grasslands

tropical rain forest

temperate deciduous rainforest

Explanation:

Answer:

Diffusion. Molecules are in constant motion and tend to move from regions where they are in higher concentration to regions where they are less concentrated. ... An example of diffusion in gases occurs when a bottle of perfume is opened at the front of a room.

Answer:

Bones

Explanation:

did the test

Answer: Intrusive

Explanation:

If magma cools slowly, deep within the crust, the resulting rock is called intrusive or plutonic. The slow cooling process allows crystals to grow large, giving intrusive igneous rock a coarse-grained or phaneritic texture.

Hope this helps!! :D

Answer:

intrusive

Explanation:

Intrusive igneous rocks form at some depth within the crust due to slow cooling of magma, resulting in formation of large crystals. Individual crystals can be seen with the naked eye. These rocks are termed texturally as coarsely crystalline or phaneritic.