The pH scale measures how basic or acidic a substance is, and it ranges from 0 to 14. On the pH scale, a pH of 7 is neutral, less than 7 is acidic and higher than 7 is basic.
Answer:
A
Explanation:
A(adenine) form 2 hydrogen bond with T(thymine)
G(guanine) form 3 hydrogen bond with C(cytosine)
Answer:phytoplanktons are photosynthestic organism. They have the ability to produce their own food.
Explanation: Because of there small size they could absorb nutrients in the water even at lower concentration and convert it to energy need for there growth.
Its is said that phytoplanktons are one of the largest producer of oxygen gas.
Answer:
The answer would be E
Explanation:
The transfer of carbon from the atmosphere to the biosphere is the role of photosynthesis in the carbon cycle.