Recall that a period is horizontal, and a group is vertical.
So if cobalt is moving "down" a period, it would be most logical to say that it would be Ni, or nickel. It could also be Copper, Zinc, Gallium, and so on. Make sense?
Explanation:
On your own notebook paper write a four sentence summary of the most important ideas on each section
what is Environmental science
How do we study Environmental science
The correct answer would be C. vacuole. The organelle that helps transport fertilizer from the soil to the leaf would be the vacuole because it can store bubbles, food, or waste.
Using Natural predators to reduce insect numbers caused the least harm to the environment.
Seldom seen in adults treatment with insulin injections