well it is not exactly essentioal but salmon need it
d) collect gas produced with a gas syringe
-compare volumes at different temperatures
-incubate mixture and different temperatures
Answer:
B- finding new sources of freshwater
Explanation:
To solve the world water crisis we need to conserve water. Finding new sources of water increases the rate of drought, famine and water scarcity in zones. It can also act as a factor of desertification. We need to reduce, reuse and recycle when trying to conserve a resource.
Answer:
depended on applications of fertilizers, pesticides and irrigation to create conditions in which high-yielding modern varieties could thrive.
Explanation: