Answer:
The answer would be A. Reversal of Earths magnetic field
Explanation: This process is responsible because over time Earth's magnetic field changes, therefore it creates magnetic changes. It changes minerals in rocks and elements.
It is important because it provides health to the earth and us so that the life cycle can keep running smoothly
Answer: c. Flower
Explanation:
An angiosperm can be define as a group of vascular plants. These plants are flower bearing which means they conduct sexual mode of reproduction through flowers. The flower exhibit male and female reproductive structures the fertilization of which produce seeds and fruits.
Mitosis, meiosis , fertilization , zygote, sex cells