What type of plants were abundant during the cenozoic?

question 2 options:

1. mosses

2. lichens

3. seeded plants

4. ferns

What molecules does hemoglobin decay into over time

Nh3 +02-no + h20 is unbalanced what is the balanced equation

Some scientists argue that global warming is related to buming fossil fuels to produce energy o increased use of fertilizers loss of forested areas a of the above