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Sati [7]
3 years ago
6

Which are true about the embryonic and fetal stages? Check all that apply.

Biology
2 answers:
Inga [223]3 years ago
7 0
A) The embryonic stage is the third to eighth week after fertilization.
Pavel [41]3 years ago
6 0

Explanation:

The embryonic stage is the third to the eighth week after fertilization. that should be the ansewr

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If a plant looks purple, which light color is causing the plant to photosynthesize?
Vikki [24]

Answer:

Purple

Explanation:

To perform photosynthesis, violet light is the most important color, and it's from these wavelengths that plants get most of their energy. The reason for this is because out of the visible spectrum, red light is the longest wavelength light that the photosynthesis process can use, but it has the least energy

6 0
2 years ago
which is a property of all ionic compounds that makes chalk particularly useful for writing on a chalkboard?
a_sh-v [17]
The property of all ionic compounds that makes chalk particularly useful for writing on a chalkboard is : Hardness and Brittleness

Those properties make chalk leaves residues on the board every time friction happen between the chalk and the board

hope this helps<span />
5 0
3 years ago
What activation energy was used to start the chemical reaction in the burning marshmallow?
Sonja [21]

Answer:

This question is incomplete

Explanation:

This question is incomplete. However, let's understand some terms

Activation energy is the minimum amount of energy required for a reaction to proceed. Under normal condition, when the activation energy is high, it takes longer for the reaction to proceed than when it is low.

The burning of marshmallow is an exothermic reaction as it involves the transfer of heat energy into the environment.

7 0
3 years ago
4. What is a function of the nucleus of an animal cell?
Nitella [24]

Answer:

A. It is the place where energy is produced.

It stores the genetic information, the DNA (chromosomes).

Explanation:

4 0
2 years ago
Explain what liquid diets fasting and diet pills have in common
oksano4ka [1.4K]
<span>The answer is: they are not the right ways to lose weight.

</span><span>All of these methods are not healthy because they don't have enough essencial nutrients, they</span> contain chemicals/ irregular ingredients and makes our metabolism slow down to save energy.

They can make people lose weight because they are cutting drastically their calorie intake but it can't be maintained forever. Most likely people will regain the weight lost after ending this diets.
7 0
3 years ago
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