Answer:
A control variable is the variable in the experiment that does not change.
Explanation:
If you are testing how seeds grow in different types of water, and you add 1tbps of salt to one pot of water with the plant, and then added 2tbps to another pot of water with the plant. The control variable in this experiment would be the water with no salt because it was not altered.
FYI I did not pull from google. Good luck!
<span>C. they burn dead inorganic matter and return the nutrients to the soil.</span><span>
Hope this helps!
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<span>Because of the difference in materials and the compression of gravity at depth, the inner core is the highest density. The lowest is the crust which is basically floating on the mantle. While no one has drilled that far, the basic assumption from magnetism and pieces of other planets delivered as meteors is that the inner material is iron, nickel and other heavy magnetic elements along with heavy radioactive elements.
The final answer to your question is C. core.
I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.
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C... an animal that is faster than the others will have way better chances of survival. Thus, the animal with the mutation will pass on the trait more
Both have a sporophyte generation and gametophyte generation. Also both have pollination, sperm cells travel through tube to reach ovule, and fertilization of egg cell with sperm cell produces zygote
