Answer: salt
Freshwater is defined as having a low salt concentration, usually less than 1%.
Explanation:
Freshwater refers to the bodies of water that contain very low levels of dissolved salts. So, freshwater are unique for their low salt content (about 0.5% of salt) compared to the sea water with high salt content.
Examples of freshwater include rivers and spring
The actual answer is, "A", an ocean trench.
You can find out more about them by researching them up on Google, it's only a few phrases and a hit on the enter key :P
The answer is D. A genetic mutation led to punctuated equilibrium
Answer:
The increase in agricultural production and technological advancements during the Agricultural Revolution contributed to unprecedented population growth and new agricultural practices, triggering such phenomena as rural-to-urban migration, development of a coherent and loosely regulated agricultural market, and emergence of capitalist farmers.
Oxygen and glucose are required for the mitochondria to properly undergo cellular respiration.
