What poses a greater threat to the entire human species; poisonous abiotic factors or poisonous biotic factors? and why? can i get a detailed answer plz me. i'll love you forever

Microorganisms are involved in each of the following processes excepta. smog production.b. food production.c. infection.d. o2 production.e. decomposition of organic material.

How are fungi more like an animal? they have a cell wall. they are heterotrophs that absorb their food. they produce seeds and have membrane-bound nucleus. they use sunlight for photosynthesis.

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer