The first one, cause their trying to make it a positive way to reinforce. Which just means their trying to fix something again
Answer:
barter trade
Explanation:
because you exchange goods
Answer:
When light energy is absorbed by a chlorophyll molecule its electrons gain energy and move to higher energy levels in the molecule
Answer:
24 chromosomes
Explanation:
The Human Genome Is Composed of 24 Different Types of DNA Molecules. Human DNA is packaged into physically separate units called chromosomes.
Your answer is C.) The hydrogen bond between complementary nucleotides
Those rectangles are nucleotides, and the nucleotides are held together by hydrogen bonds.
Hope this helps!
