The diagram below shows part of the rock cycle lable the diagram

a. heat and pressure
b, compaction and cementation
c. weathering and erosion

What does the hardy-weinberg principle relate to? a. chances of survival of an organism b. frequency of alleles in a population c. natural selection in a species d. causes of evolution among organisms

Explain why biological control methods are generally environmentally superior to chemical pest control methods.

Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give