Concentrated vs concentration

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

Pls ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?