hi here is your answer hope it helps or then sry
Explanation:
the importance of oxygen for animals, researchers suspected that a sudden increase in the gas to near-modern levels in the ocean could have spurred the Cambrian explosion.
Fungi do have cell walls. Therefore A is ❎
Fungi and protist are eukaryotic. Therefore B is ✅
Fungi do not undergo photosynthesis. Therefore C is ❎
Fungi are heterotrophs, not autotrophs. Therefore D is ❎
Hope it helped,
BioTeacher101
False. Strontium 90 has a half life of only 30 years, and as millions of years pass, about the time fossils have been around, most if not all of any strontium would have decayed.
