What Is the difference in electrical charge between different parts of a molecule

Which describes how weathering and erosion are different? weathering is caused by water. erosion is caused by wind and ice. erosion transports sediments. weathering is a natural process.

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization

Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in