Answer:
The rate is a mathematical relationship obtained by comparing reaction rate with reactant concentrations.
Because if all the trees and grasslands are to disappear and turn into deserts then there would be no oxygen for us
1. Solids
- definite volume & shape
- little energy
-vibrate in place
- very incompressible
2. Liquids
- held together yet can still flow
Answer:
<h3>A . Alkali metals</h3>
Explanation:
The highlighted elements of the periodic table belong to the alkali metal element family. The alkali metals are recognized as a group and family of elements. These elements are metals. Sodium and potassium are examples of elements in this family.
hope this helps
