what does the circulatory system do with glucose and oxygen?

Answer:

The xylem, vessels and tracheids of the roots, stems and leaves are interconnected to form a continuous system of water-conducting channels reaching all parts of the plants. The system transports water and soluble mineral nutrients from the roots throughout the plant.

Explanation:

Answer:

D

Explanation:

Darwin believed that the species with the best variation to their environment had the biggest chance at surviving.

Darwin believed that the species with the best variation to their environment had the biggest chance at surviving.

The process by which species adjust to their habitats is known as natural selection. It is the force behind evolution.

The process through which populations of living things adapt and change is known as natural selection. A population's members are naturally varied, which means that they are all distinctive in some ways.

This variety indicates that some people have characteristics that are more environment-appropriate than others. People that possess advantageous qualities, or adapted traits, are more likely to live and procreate.

Therefore, Darwin believed that the species with the best variation to their environment had the biggest chance at surviving.

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Answer:

H+, hydrogen ions

Answer:

D) a shift in earth’s orbit

Explanation:

^^^^^^^^^

A shift in Earth's orbit caused global cooling during the Pleistocene. This period, which began around 2.6 million years ago and lasted until about 11,700 years ago, was marked by a series of glacial cycles, with ice sheets advancing and retreating across much of the Northern Hemisphere. Hence the correct option is D.

Global cooling refers to a long-term trend of decreasing temperatures across the Earth's surface and atmosphere over an extended period of time. This can lead to changes in climate patterns, including changes in precipitation, sea levels, and weather events.

Global cooling can occur due to a variety of factors, such as changes in solar radiation, volcanic activity, or shifts in the Earth's orbit. In recent decades, global warming has been the predominant trend, with temperatures rising due to human activities such as the burning of fossil fuels and deforestation.

The cooling is thought to have been caused by changes in Earth's orbit, including changes in the tilt and orientation of its axis, as well as variations in its elliptical path around the sun. These changes affected the distribution of sunlight and solar radiation across the planet, leading to cooler temperatures and the growth of ice sheets.

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Answer:

That person whose height resembles the dead body.

Explanation:

The bones belong to any of these missing persons if we do analysis and compared the length of the dead bodies with the information of each missing person. If the height of the missing person resembles to the height of the dead bodies, we can send it for evaluation and confirming other information about that person such as gender or any fracture in the body. If these information are found correctly so we can conclude that this body resembles to the missing person who is separated.

Answer: you first give the mouth to mouth

Explanation: then you do chest compressions

Answer:

Fish and other aquatic organisms use gills to take up oxygen dissolved in the water and diffuse carbon dioxide out of the bloodstream. Some insects utilize a tracheal system that transports oxygen from the external environment through openings called spiracles.

Explanation:

mark as brainliest or atleast rate the answer

Answer:

T A A G T C G C T

Explanation:

DNA strand:                             A T T C A G C G A

complementary DNA strand:  T A A G T C G C T

This is a very important rule:

Four kinds of nitrogenous bases in DNA: Adnine (A), Thymine (T), Guanine (G), Cytosine (C)

And this is how they're coupled:

A = T

C = G

For example::

First DNA strand:                  A T G C

complementary strand:        T A C G

Answer:

The answer is B- Carbon Dioxide

Answer:

Point Mutation

Explanation:

Answer: point mutation

Explanation:

Answer:

Nuclear energy

Explanation:

Answer:

In the diagram you can see the water the birds are drinking is decreasing which means if the water is decreasing there will not be enough for all birds.

Explanation:

Answer:

False. There are different ways to be intelligent and different measurements.

This statement is false that there is little to no controversy over what it means to be intelligent. Hence, it is false.

Numerous characteristics, including abstraction, logic, comprehension, self-awareness, learning, emotional knowledge, reasoning, planning, creativity, critical thinking, and problem-solving, have all been used to characterize intelligence.

The nine types of intellect are as follows. The following fall under this category: naturalistic, musical, logical-mathematical, existential, interpersonal, linguistic, bodily-kinaesthetic, intra-personal, and spatial intelligence.

Intelligence is different for different people. Therefore, this statement is false that there is little to no controversy over what it means to be intelligent.

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Answer:

Your answer is D. Proteins

Explanation:

Carbon is found in A,B, and C.

Explanation:

In addition to the vestigial leg bones and the series of transitional species in the fossil record, there is physiological and genetic evidence.

The physiological evidence is that whales swim with a modified running motion. If they had been specially created in the sea, there is no reason to have this holdover from life on land to let them swim.

Evidence for a horizontal fluke comes from the muscle attachments to move that fluke. Muscles pull on bone when they contract. Therefore bones have little bumps (sometimes not so little) on them as they add bone to handle the mechanical force of the contractions. Flukes can be inferred by the placement and size of the bumps on the vertebrae where the muscles that move the fluke (tail) are attached. Flukes themselves are soft tissue, and thus do not preserve well. But the bumps on the bone show a clear preference for muscle attachments on the top and bottom of the vertebrae, and these bumps get larger as the muscles evolve to be larger to move the fluke. If there is any other explanation and another inference, creationists have not provided it.

There is also the position of the nostrils over the course of evolution.

Answer:

13 molecules are released

Answer:c.) waste water treatment plants

Explanation:

Answer: The cell cycle is composed of interphase (G₁, S, and G₂ phases), followed by the mitotic phase (mitosis and cytokinesis), and G₀ phase. here are two types of cell division: mitosis and meiosis. Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. Meiosis is the type of cell division that creates egg and sperm cells.

Explanation:

Answer:

C or D

Explanation:

recycling is meant to reuse something for different purposes which is why it could be either C or D. As for options A and B those are the opposite of recycling

Answer:

a) price of an exercise book = #200

b) #400

Explanation:

Let x represent the price of the book

Let y represent the price of the exercise book

- According to this question, the price of the book is thrice that of an exercise book i.e. x = 3y

- Also, the question states that if a student spend #9600 on book and #8000 on exercise book, he has 56 items altogether. This means that to get how many books and exercise books he bought, we divide the price of book and exercise book he bought by the price of each book (x) and exercise book (y) respectively. Mathematically, this means:

- Student bought 9600/x books

- Student bought 8000/y exercise books

So, 9600/x books + 8000/y exercise books = 56 item

9600/x + 8000/y = 56

Since x = 3y

We can say;

9600/3y + 8000/y = 56

Find the L.C.M of 3y and y = 3y and solve using fraction method (see attachment).

9600 + 24000/3y = 56

33600/3y = 56

Cross multiply

33600 = 56 × 3y

33600 = 168y

Divide both sides by 168

33600/168 = 168y/168

200 = y

y = 200

Since, x = 3y

x = 3 × 200

x = 600

Therefore, the price of book (x) and exercise book (y) are #600 and #200 respectively.

b) The difference between the price of a book and an exercise book i.e. x - y

= #600 - #200

= #400

Answer:

The Thermosphere.......

The layer of the atmosphere with the highest temperature is the thermosphere.

The thermosphere is the outermost layer of the Earth's atmosphere, and it is located above the mesosphere and below the exosphere. This layer is characterized by extremely high temperatures, which can reach up to 2,500°C (4,532°F) due to the absorption of solar radiation.

Despite these high temperatures, the thermosphere is not actually hot in the sense that we normally think of temperature, as the air density is extremely low and there is very little heat transfer to objects within it.

The thermosphere is also the layer of the atmosphere where phenomena such as auroras and meteors occur, as well as where many satellites orbit the Earth.

It is an important part of the Earth's atmosphere, as it helps to protect the planet from harmful solar radiation and provides a habitat for certain types of high-altitude organisms.

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Answer:

artificial selection

Explanation:

hope this helps

a teaspoon of kefir grains

Answer:

Phosphorus contained in agricultural runoff

Explanation:

The term eutrophication refers to the enrichment of surface water with nutrients. This process is related to human pollution activities.

Eutrophication is the biological process that generates in water by an oversupply of nutrients or organic matter. This matter, mainly compounded with nitrogen or phosphorous, favors the phytoplankton multiplication (microscopic plants growing on the water surface) and other aquatic plants. This overgrowth leads to an enhance in primary productivity. Nitrogenated compounds might come from human and animal wastes, while phosphorated compounds might come from fertilizers and other chemicals used in agriculture, that penetrates the soil and reaches water bodies.  

Little by little begin sedimentation is caused by the death of some vegetable organisms that sink in the bottom. These sediments rich in organic matter suffer decomposition in the presence of oxygen.

When oxygen disappears, anaerobic bacteria act and produce fermentation.

On the surface, plants and phytoplankton keep growing, creating a mantle that impedes the light reach deeper areas. The phytoplankton overgrowth on the water surface and the fermentation processes in the bottom originate toxic compounds that damage the animals. Animals die, creating more sediments in the bottom where there are anaerobic conditions.  

Decomposition and fermentation processes increase, producing a bad smell.

The result of eutrophication is the stratification of the water mass:

• First superficial layer, the overgrowth of blue-green algae, produces toxins and interrupts the pass of light to deeper areas. The surface then becomes warmer.

• The second layer might have oxygen available for the animals.

• In the third layer, there is no oxygen, so life is impossible for animals or plants.

• In the fourth layer, there are animals and plant remains in the process of sedimentation.

• At the bottom, there are organic matter and anaerobic bacteria in charge of decomposition and fermentation, through which they produce toxic gases and smell.

Answer:

b

Explanation: