Ach
8. Explain two ways that the burning of
vegetation, such as trees, affects carbon
dioxide levels in the atmosphere. (2)
ant

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.