Hypothesis are testable meaning you are able to preform an experiment to see the relationship between two variables.
By using microscopes scientists were able to discover the existence of microorganisms, study the structure of cells, and see the smallest parts of plants, animals, and fungi.
Answer:
because light is also the source or heat
heat and light come together in many cases
C: The organelles are enclosed in membranes
1. Phosphate
2. Pentose sugar
3. Nitrogenous Base