Cacti and other succulents can adapt to dry climates. They are able to store water in their leaves, while others store water in the roots or trunks. The waxy cuticle helps prevent water loss.
Zygote implants itself in the uterus.
Answer: Farming
Explanation: Plowing the land is the first source of wealth.
I'm pretty sure it is "c"
Mantle convection causes tectonic plates to move around the Earth's surface.
