Complete the sentences to describe the structure of DNA. The shape of the DNA molecule is called a double . The backbone of DNA is made of molecules and phosphate molecules. The "rungs" of DNA are made of .

Answerprediction;

The sunlight has affected it beacuse its always so hot so they dont get much rain so a lot of their crops and stuff dry out.living things effect it somewhat bye and not a lot of the animals are goind extiect due to lack of food and water.

Physics and astronomy were developed in babylonia.