7. Solar, biomass, geothermal, wind, and hydropower energy are all also know as "clean energy". This is because they

a. do not release the same level of pollutants as fossil fuels.

b. can be converted directly into heat and electricity.

C. do not produce air pollution.

d. can be replenished by nature in a short period of time.

How would i answer this in a exam. orange - sea temperature is over 27 red arrows - tropical storm routes

How do oceanographers measure the salinity of ocean water?

70 pts answer the following questions in full sentences and paragraphs, using at least 150 words, in the essay box below. 1. which organisms are carnivores? herbivores? omnivores? 2. if the ecosystem is balanced, which populations should be the largest? the smallest? 3. imagine a group of hunters kills half of the rabbit population. how will the other organisms be affected? 4. imagine disease kills 85 percent of the wolf population. how will the other organisms be affected? 5. imagine a foreign mountain lion species is introduced into the ecosystem. how will the other organisms be affected?