Answer:
A cell that results from the fusion of sperm and ovum is called a zygote. The process of fusion of sperm and ovum is called fertilization.
Answer:
The correct answer would be C, burning of wood and coal
Explanation:
The burning of fossil fuels (coal, oil, natural gases) increases the greenhouse gases in the atmosphere.
Answer: covering crops
Explanation:
such as vetch, rye and clover, are excellent plants for erosion control. These hardy easy to grow plants send out nets of roots that help hold topsoil in place while also reducing competitive weeds. When tilled back into the soil, they increase the nutrient density as they compost.
