Answer:
the answer is C
Explanation:
scientists believe that a ball of matter (the size of a pin head) exploded and created the universe! this is the big bang theory ♡
The right choice should be A and C. Flat worm and round worm.
Answer:
Testing only one Variable at a time lets you analyze the results of your experiment to see how much a single change affected the result. If you're testing two Variables at a time you won't be able to tell which Variable was responsible for the result.
Explanation:
Answer:
Explanation:
can you give us more deateal
The answer would be A. By consuming plants or animals.