I believe the answer is B, although A has as well a very good chance of being correct. But B does support evidence with the chemicals found inside them.
Organic would be living material, so no....
Pathogens would be bacteria and fungi, so no...
thermal would be heat, so no...
must be macroscopic
Answer:
You use the control group against an experimental group to see if there is a change when you add a variable. Th control group is the group without the variable you are testing.
Answer:
Autotrophs are known as producers because they are able to make their own food from raw materials and energy. Examples include plants, algae, and some types of bacteria. Heterotrophs are known as consumers because they consume producers or other consumers. Dogs, birds, fish, and humans are all examples of heterotrophs
got this from the internet.. sorry, brainliest please if u could :)
Explanation:
Answer:
It was a non-seed-bearing plant, or sporophyte, such as a moss, liverwort, or hornwort.
Explanation:
All plants have spores as part of their life cycle (alternating between sporophyte, which is asexual, and gametophyte, which uses sexual reproduction), but because the spores of this fossilized plant were used for reproduction, this plant most likely did not produce any seeds.