Answer:
I'm pretty sure it's transport blood cells
Answer:
5) air temperature - corn sprouting time
6) sacks of fertilizer sold - algae growth
7) cars - pollution levels (sorry couldn't read the full problem, but you get it)
8) distance of flash light - size of illuminated area
9) number of answered questions - score of the final
10) minutes of exposure - birth defect rate
11) amount of vitamin A - weight fluctuation
12) fox population - rabbit population
Explanation:
So as the words speak for themselves, dependent variables are variables that aren't changed by outside factors unlike dependent variables which change based on an outside change. Knowing this, if you reread the problems you will be able to understand it a little bit more.
Answer:
A) birds have a large opening where the beak should be.
Explanation:
when scientists turn off the gene that makes beaks in birds, the birds have a mouth where no teeth are present. The birds have mouth because the bird resembles and closely related to the dinosaur. There are some proteins that is responsible for the occurrence of beak but when the genes are turn off these protein stop producing that leads to turn the beak place into mouth.
Calcium oxide is a molecule composed of one calcium atom and one oxygen atom.