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vredina [299]
3 years ago
14

Jennifer is testing her ability to lift different weights. Which of the following could be a control variable?

Biology
1 answer:
aniked [119]3 years ago
3 0
The answer would be the last one
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How does the temperature change affect water cohesion
kakasveta [241]
As the temperature increases the molecules interact between the liquids  only because molecules are weaker.water allows materials to rest upon it if the surface tension is,nt broken there would be less cohesion the higher  the temp i,m thinking the colder the stronger the bond gets. It melts and makes the water harder to freeze.
3 0
3 years ago
The presence of over 700 genes involved in height determination is an example of (a) ______________.
Ira Lisetskai [31]

The presence of over 700 genes involved in height determination is an example of a polygenic trait.

<h3>What is a polygenic trait?</h3>

A polygenic trait refers to a trait that is determined by multiple genes rather than by only one gene. This is opposite to a monogenic trait that is determined by only one gene.

<h3>What are some examples of polygenic traits?</h3>

In humans, some examples of traits that are determined by multiple genes are:

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  • Hair color
  • Skin color

Based on this, heigh is a polygenic trait.

Learn more about gene in: brainly.com/question/787658

5 0
2 years ago
HELP PLEASE ASAP!
maksim [4K]
1. The best answer is Stomata takes in carbon dioxide and release oxygen. Photosynthesis is the process that take place in the leafs of green plants where chlorophyll absorbs sunlight and converts the energy from the sunlight to chemical energy. The process produces simple sugars and oxygen, oxygen is either released to the atmosphere or used in cellular respiration. Simple sugars (glucose) are stored as glycogen and used as an energy reserve. 

2. The statement is true. Water and carbon dioxide are are raw materials of photosynthesis. Water is broken down in the first stage of photosynthesis using sunlight to produce oxygen and hydrogen ions. The second stage of photosynthesis involves carbon dioxide fixation producing simple sugars 
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3. The equation that supports the conservation of energy is;
 6CO2 + 6H2O + light = C6H12O6 + 6O2
This is the process of photosynthesis that involves use of carbon dioxide and water to produce glucose and oxygen. 
Six carbon atoms are used to generate another six carbons in glucose, hydrogen atoms and oxygen atoms taken in remain the same in the products.
4 0
4 years ago
What is a pheromone
ludmilkaskok [199]
<span>a chemical substance produced and released into the environment by an animal, especially a mammal or an insect, affecting the behavior or physiology of others of its species.</span>
8 0
4 years ago
What is the most famous astranots name
Inga [223]

Answer:

Neil Armstrong

Explanation:

5 0
3 years ago
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