I will sip on pidgeon poop will you

The process by which natural forces move weathered rock and soil brim one place to another is called

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

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?