PLS I NEED HELP 10 POINT What process is responsible for the the different types of cells in an organisms body?

Question 8 options:

1. programmed cell death

2. mitosis

3. osmosis

4. differentiation

Modern whales developed their traits through natural selection what occurs during the process of natural selection

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land