Which describes bedrock? consists of solid rock lies directly above the soil layer does not contain weathered rock forms from decomposed material

Which events are likely to be catastrophic to an ecosystem? select the three correct answers. a-hurricane. b-steady population growth. c-seasonal flooding. d-introducing of an aggressive invasive species. e-tsunami.

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

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks