Answer:
1. <u>The height of bean plants</u> depends on the amount of water they recieve.
2. The higher the temerature of the air in the oven, <u>the (speed of which) a cake will bake.</u>
3. Lemon trees receiving the most water produced the most<u> lemons (amount)</u>
4. An investigation found that more <u>bushels of potatoes</u> were <u>produced</u> when the soil was fertalized (amount) more.
5. The amount of <u>pollution</u> produces by cars was measured for cars using gasoline containing different amounts of lead.
Explanation:
The independent variable is what you change and the <u>dependent</u> variable is what is being measured. It is like cause and effect.
(sorry this is my first answer apologizes for any mistakes)
It is C. Nitrogen. Nitrogen is 78% of the atmoshere
The answer is all of the above
B. requires flowers.
Sexual reproduction is one type of biological reproduction wherein the genitals of the male and female organisms engage into a sexual activity in order for the sperm cells to fertilize the egg cells of the females.
In the case of most plants, they engage in asexual reproduction. Asexual reproduction happens outside the body system of a cell.
Moreover, this process is extrinsic than its opposite the sexual reproduction which happens in the female reproductive system.