The answer should be 2 because planting trees gives out oxygen and we need oxygen to live
Answer:
Attached to each sugar is one of four bases--adenine (A), cytosine (C), guanine (G), or thymine (T). The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.
Explanation:
The answer is rain percolates through the pavement into the ground below, causing cracks in the pavemen
The answer is a very good amount.....
15)C
16)D because the function of mitochondria is providing energy
17)B cell wall
18)C cell membrane
19)C plantae
20)B cytoplasm
