Hydrogen and hydroxide ions
Explanation:
It happens when the moon is in the earth's shadow
And sun moon and earth is completely aligned
C is the answer
Hope this help
The answer would be birds flying to South and hibernation of some animals like chipmunks and bears.
Every year, many migratory birds would migrate to the South before the winter season comes. Another sign of seasonal changes, some animals would hibernate during the winter and wake up when the spring season comes.
Similarities between gymnosperms and angiosperms:
1. They both come from the Kingdom "Plantae" and from the Domain "Eukarya."
2. They both have vascular system that are used for the conduction and distribution of water and nutrients to all the parts of the plant.
Differences between gymnosperms and angiosperms:
1. Gymnosperms are non-flowering plants whereas angiosperms are flowering plants.
2. Angiosperms have seeds that are enclosed within an ovary (it's usually in a fruit), whereas gymnosperms have no flowers or fruits. Gymnosperms have unenclosed seeds ("naked" seeds) on the surface of scales or leaves.
