Answer:
<h3>Recently been reviewed and range from single cell protein </h3>
Explanation:
I hope it is correct
Answer:
The independent variable is "controlled" or held constant in the control group.
Explanation:
Answer:
Antony Van Leeuwenhoek
Explanation:
Discovering bacteria and creating more than 500 simple microscopes
Answer:
1. hydrogen; 2
2. it means two strands of DNA twisted around each other like a winding staircase