Answer:
The correct option is C
Explanation:
Anaerobic bacteria used in sewage treatment helps to reduce the volume/amount of sludge in the sewage thereby producing methane gas from it. Some companies produce there own (not for sale) methane gas (as an alternate source of energy) through this process. Thus, <u>a decrease in the amount of this bacteria (perhaps through death as described in the question) will lead to a decreased production of methane gas</u>.
Answer:
Alaska
Explanation:
Alaska has the most active volcanos in America.
Answer:
Hydrogen and helium.
Explanation:
Extrasolar planets, also called exoplanets are the planets that are placed out of the solar system and it orbits around another star, not the Sun. The planets that are not orbiting around the Sun are made of two easiest elements, and those elements are hydrogen and helium. Extrasolar planets are very strange objects that are not even close to looking like Earth.
Since you provide no options, here are the usual parts of scientific method :
- Idea / question which answer you want to find out
- Research , collecting all kinds of data
- Hypothesis , an explanation that is made at the starting point, before the experiment
- Experiment , to find out whether your hypothesis is right
- Analyze the data that you got from the experiment
- Conclusion, your final judgement based on the result of your experiment
True because somatic stem cells can be any cell in the body.