all of the following will take place during the first trimester except?
a. heartbeat can be detected
b. external sex organs show the sex of the baby
c. lenses of the eye appear
d. wake and sleep cycles become regular

Answers

Answer 1

Answer:

b

Explanation:

Answer 2
the correct answer is b

Related Questions

Which electromagnetic waves allow us to diagnose & treat cancer?
(i couldnt find a suitable subject so i picked a random one)

Answers

Answer:

X-rays

Explanation:

X-rays and gamma rays, whose properties are equivalent, are clinically the most important form of ionizing electromagnetic radiation in the treatment of cancer.

8. The honeycomb-like appearance of this sandstone is a result of
A. salt weathering.
B. oxidation.
C. hydrolysis.
D. frost wedging.

(FROST WEDGING IS NOT THE RIGHT ANSWER I ALREADY TRIED IT)

Answers

I think that it is B hope that is right :))

The honeycomb-like appearance of this sandstone is a result of frost wedging, hence option D is correct.

What is frost wedging?

Wedging Repeated freezing results in a freeze. When the water turns into ice due to the 9 percent expansion, freeze wedging happens. Water-filled fissures are compelled to further divide when it freezes, and other choices, which can be characterized as follows, are erroneous

0xidation is incorrect since the element is in a state where it transforms into a liquid. Hydrolysis is incorrect since it is a reaction in which the bonds of water are broken down into a specific chemical.

Salt weathering is incorrect since it refers to a type of mechanical or physical rock weathering.

Therefore, option D frost wedging is correct.

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Which of the following is not an example of energy transformations in an ecosystem? a. sunlight driving photosynthesis in plants b. herbivores feeding on plants c. predators feeding on herbivores d. none of the above Please select the best answer from the choices provided A B C D

Answers

Answer:

D. None of the above

Explanation:

Energy transformation is the process of transfer and conversion of energy from one species to another. None of the above is not an example of energy transformation. Thus, option D is correct.

What is energy transformation?

Energy transformation is the process in an ecosystem that includes the conversion of energy from one level to another in the food chain or the metabolic reactions.

Photosynthetic reactions under the sun, herbivores feeding on producers, and predators feeding on the primary consumers are examples of energy conversion as it is continuously passing the energy to another species in the ecosystem.

Therefore, none of the above is not an example of energy transformation.

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Which of the following is a false statement concerning sea urchins?
a. they eat seaweed.
b. they are echinoderms.
C. they have movable spines.
d. they have arms.

Answers

D is the answer to this problem. This is because sea urchins have rows of tube feet.
D is false, because they don’t have arms.

blood contains the rhesus protein.


blood does not contain the rhesus protein.

Answers

Answer:

Rh+ blood contains the rhesus protein.

Rh- blood does not contain the rhesus protein.

Explanation:

Answer:

✔ Rh+

blood contains the rhesus protein.

✔ Rh-

blood does not contain the rhesus

Explanation:

 just did it on edg 2021 hope this helps

Which is one of the contributions that supported the development of the Clean Water Act? ​

Answers

Answer:

E) detailing the number of countries affected by contaminated water around the world

Explanation:

As the moon completes its cycle, do the shadows flip sides or stay on the same side?
___________

Answers

Answer: The same side of the Moon always faces Earth. ... The phases of the Moon are not shadows but solar and lunar eclipses are because a solar eclipse occurs when the Moon moves directly between the Sun and Earth casts a shadow over part of Earth.

Explanation:

Do you think different sources of carbs (sugars) would affect
the rate of fermentation in yeast? Why or why not?

Answers

Yeast is a fungus and needs a supply of energy for its living and growth. Sugar supplies this energy (your body also gets much of its energy from sugar and other carbohydrates).
Yeast can use oxygen to release the energy from sugar (like you can) in the process called "respiration". So, the more sugar there is, the more active the yeast will be and the faster its growth (up to a certain point - even yeast cannot grow in very strong sugar - such as honey).
However, if oxygen is short (like in the middle of a ball of dough), then yeast can still release energy from sugar, but in these conditions, its byproducts are alcohol and carbon dioxide. It is this carbon dioxide gas which makes the bubbles in dough (and therefore in bread), causing the dough to rise.
Alcohol is a poison (for yeast as well as for people) and so the yeast is not able to grow when the alcohol content gets too high. This is why wine is never more than about 12% alcohol.

What temperature does cold/warm front bring,

Answers

Answer:

Temperature changes associated with cold fronts can be as much as 50 °F (30 °C). When cold fronts come through, there is usually a quick, yet strong gust of wind, that shows that the cold front is passing.

Explanation:

PLEASE HELP I WILL GIVE YOU MULTIPLE BRAINLYS ON DIFFRENT POSTS!!!!!

Answers

Where’s the picture :/

Is cellular respiration using or releasing energy when cellular respiration bonds are being broken in glucose?

Answers

Answer:

Releasing

Explanation:

"Cellular respiration is the aerobic process by which living cells break down glucose molecules, release energy, and form molecules of ATP. Overall, this three-stage process involves glucose and oxygen reacting to form carbon dioxide and water."

Based on what you have observed in the Gizmo, which of the following chemical equations represents photosynthesis?

Answers

Answer: Carbon dioxide plus water yields glucose (sugar) and oxygen.

Hope this helps!!! :)

Which of the following is one of the largest carbon reservoirs on earth?
A. Limestone
B. Amazon rain forest
C. Fossil fuels
D. Atlantic Ocean

Answers

I believe it is A, limestone. Because yes

From the options The Largest carbon reservoirs on earth is : ( A ) Limestone

The Largest carbon reservoirs on earth includes the Earth crust ,Oceans and fossil fuels. Limestone makes up about 15% of the earth's crust ( sedimentary ) therefore it is the largest carbon reservoir out of all the options given above.

Limestones are used as raw materials for the production of cement and other building/construction materials.

The Earth crust contains about 50,000,000 g/tons of Carbon in total while the oceans contain about 40,000 g/tons of carbon which is followed by Fossil fuels at 10,000 g/tons

Hence we can conclude that the Largest carbon reservoir is Limestone

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b. Describe cellular respiration, as represented by this model .

Answers

Where's the image?...

Explanation:

cellular respiration is the aerobic process by which living cells break down glucose molecules of ATP(adenosine triphosphate)

Which of the following features help plants stay upright? (Select all that apply)
Cell wall
plasma membrane
Endoplasmic reticulum
Vacuole

Answers

Answer:

Cell Wall

Explanation:

Dolly the sheep, born in 1996, was the first mammal to be cloned from an adult cell. Give one disadvantage or risk of cloning an animal.​

Answers

Answer: The animals would be at an increased risk of extinction because of the risks of inbreeding.

Explanation:

What information
about cells do these micrographs show? What
information might the micrographs suggest, but
which might not be accurate

Answers

Micrographs are the magnified images obtained from light microscopes and TEMs. Cell micrographs are often taken from tissue samples and show a continuous mass of cells and internal structures that are hard to identify individually.

To solve this we must be knowing each and every concept related to cell. Therefore, micrographs reveal a tangle of cells plus internal components that are difficult to detect separately.

What is cell?

In biology, a cell is indeed a primary membrane-bound unit that includes the essential components of life and is made up of which all living organisms are made. A single cell, like a bacterium or yeast, is frequently a full organism in and of itself. As cells age, they develop specific roles.

These cells collaborate with some other specialized cells to form the foundation of huge multicellular creatures like animals and humans. Micrographs reveal a tangle of cells plus internal components that are difficult to detect separately.

Therefore, micrographs reveal a tangle of cells plus internal components that are difficult to detect separately.

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Name this stage of the cell cycle
A) prophase
B) Metaphase
C)interphase
D)telophase

Answers

Answer:

mitosis

Explanation:

It is B) Metaphase which is the stage in mitosis were chromosomes align.

Smart people answer this this is emt question

Answers

Answer:

respitory

Explanation:

minors or actual from the parents

What will be the possible last stage in the life cycle of Betelgeuse and Spica?

Answers

Answer:

That made the outer layers cool and expand, thus growing larger and larger until eventually becoming a red supergiant. After a red supergiant explodes, it will become one of two things

Explanation:

. Gravity crushes its core to where it is now just stellar remnants. Stellar remnants are clouds of gas and dust wondering around space, but eventually the gas and dust will get sucked back into the nebula starting a new sta

defined unbalanced ecosystem (in details plz) i will give brainliest

Answers

Answer:

Ecological imbalance is when a natural or human-caused disturbance disrupts the natural balance of an ecosystem. A disturbance is any change that causes a disruption in the balance of an ecosystem.

15 POINTS!!! HELP ME PLZZ I NEED HELP WITH THIS!!

Answers

C i’m pretty sure !!!!!!!!!

Agricultural science
Unscramble these word
Gctitavee-
Suscrptepu-
Apgotainpro-
Treigoenan-
Xleaasu-
Dorplecuoir-
Ificriata-
Eeeemddrrpnit-
Sciieetccnd-
Mcitssye-
Rrllaatspi-
Ooossiunp-
Nniigtomear-

Answers

Answer:Eeeemddrrpnit-

Explanation:

An igneous rock has small, dark crystals. Which statement also accurately describes this rock?

It is an intrusive rock.
It has a coarse texture.
It was found on Earth’s surface.
It was formed from slow cooling.

Answers

Answer:

It was found on Earth’s surface.

Explanation:

Igneous rocks are formed either on the surface of the Earth or deep in the Earth's crust. Those formed on the surface of the Earth are called "Extrusive Igneous Rocks" while those formed in the crust are called "Intrusive Igneous Rocks."

An igneous rock which has small, dark crystals is an extrusive igneous rock (this makes the first choice incorrect). It was formed through "rapid cooling," thus, it's texture is fine (this makes the last two choices incorrect).

Since it is an extrusive igneous rock, it can be found on the Earth's surface. This makes the third choice correct.

Answer:

c

Explanation:

The cycle of the moon circling the earth is _________

Answers

Answer:

The Moon circles the Earth once every 27.3 days – each sidereal month – but its phases repeat every 29.5 days – each synodic month. The difference arises because the Earth itself moves around the Sun by a distance of around thirty degrees each month.

Explanation:

Need help with this smart people only pls

Answers

Answer:

The answers you have chosen are/should correct

Explanation:

Already took that test

Answer:

didn't i already tell you the answer

Explanation:

what do you need help with????

WOULD PLANTS GROW DIFFERENTLY IN
DIFFERENT COLOR LIGIIT? WHY OR WHY NOT

Answers

Answer:

i have no idea

Explanation:

Please go ask agenthammerx or retrowolfyy

A Egg is ....

A. Element
B. Composite
C. Homogeneous mixtures
D. Heterogeneous mixtures

Answers

Answer:

Element

Explanation:

Answer:

D. Heterogeneous mixtures

Explanation:

An egg (raw egg) is naturally made up of the egg white and the egg yolk. It is a heterogenous mixture because you can separate the egg white from the egg yolk. This is commonly done in baking. Its composition is non-uniform.

It becomes a "homogenous mixture" once you beat the egg. In this situation, you won't be able to separate the egg white from the egg yolk anymore.

If a polypeptide chain is 30 amino acids, how many nucleotides will make up the coding mRNA strand?

93
30
33
90
96

Answers

Answer:

3 nucleotide require to produce one amino acid.As 30 amino acid , it requires 90 nucleotides including start codon but a polypeptide chain have a stop codon at last therefore 93 nucleotide will make up the coding mRNA strand.

The stop codon may be UAA ,UAG ,UGA they encode no amino acid.

One amino acid requires 3 nucleotides. The coding mRNA strand will have 93 nucleotides since a polypeptide chain has a stop codon at the end of 30 amino acids. Therefore, option (A) is correct.

What are codons?

A segment of three adjacent nucleotides within a DNA or RNA molecule that, when read, denotes the presence of a particular amino acid. There are particular codons that indicate the beginning or end of the translation process.

3 nucleotide require to generate one amino acid. As 30 amino acids, it requires 90 nucleotides including a start codon, but a polypeptide chain also has a stop codon at the end; as a result, the coding mRNA strand will have 93 nucleotides.

The stop codon could be UAA, UAG, or UGA; however, none of these codons encode an amino acid.

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Which statement is scientifically based?
Ο Ο
O O
Mutations rarely occur.
All mutations are harmful.
Some mutations can be contagious, like infections.
Mutations are not passed from parent to offspring?

Answers

Answer:

Mutations rarely occur.

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