Answer:
Explanation:
It certainly isn't the last one. A theory is close to a guess. It fits all the known facts, but there is usually something missing. If someone figures out what is missing, usually by experiment, then the theory become a fact.
The rest of them (1 2 an 3) can all be true. 3 is the least viable. You have to be able to come up with a counter example to reject a theory.
I'm not sure about 2. New phenomena can still be part of current theories. Reluctantly, I wouldn't choose 2 because
1 is the best answer of a very poor lot. Do not be surprised if you use it, that it turns out to be wrong.
Answer:
<h3>C. microorganisms is your answer </h3>
Explanation:
- Minerals and gases are abiotic
- Microorganisms are biotic or living things.
- Bacteria, protozoa, algae, and fungi are microorganisms. And there're living organisms.
Answer:
3.
Explanation:
Since the snake was introduced, many species were killed off which severely impacted food chains and webs
The ferns habitat I'm positive this is the correct answer.
Answer:
The right answer is D
Explanation:
They use carbon dioxide, water and sunlight to make carbohydrates. And the oxygen is just a byproduct. No real organic molecules are needed before.