Which of the following is an example of mechanical weathering?
A.
underground limestone caves
B.
oxidation
C.
stalactites and stalagmites
D.
frost wedging

Variety of living organisms; includes genetic, species, and ecological types.

Which process of living things produces water that enters the water cycle

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.