<span>(1) Does the pH of water affect the growth of radish plants?
</span><span>(2) pH of the water
</span><span>(1) repeating the experiment several times</span>
C. proteins-
The cytoskeleton is what provides structural support for a cell, and the cytoskeleton is made out of fibrous proteins.
Hope that helped!
Answer:
Hooke frequently included microscopy demonstrations, regaling the reigning lights of English science - Newton, Boyle, Wren - with a variety of preparations. He used a number of instruments to extend the range of vision and investigate appearance and behavior at levels unseen by the unaided eye.
Explanation:
According to a source the answer is <span><u>Cyanobacteria were the first organisms to produce oxygen in water, which then escaped into the atmosphere.</u>
These cyanobacteria species were the first ones to "produce" oxygen as a by-product of the photosynthetic mechanisms which enables organisms to make their own food. </span>
