Answer: Biodiversity is important to humans for many reasons. ... Ecological life support— biodiversity provides functioning ecosystems that supply oxygen, clean air and water, pollination of plants, pest control, wastewater treatment and many ecosystem services.
Explanation:
Answer:
Element Symbol Mass percent
Magnesium. Mg. 20.192%
Oxygen. O. 53.168%
Sulfur. S. 26.639%
Explanation:
hope this helps u out
The elements in each group have<span> the </span>same<span> number of electrons in the outer orbital. Those outer electrons are also called valence electrons. They are the electrons involved in chemical bonds with other elements. Every element in the first column (</span>group<span> one) </span>has<span> one electron in its outer shell.</span>
Answer:
They are very reactive, electropositive, monovalent metals forming strongly alkaline hydroxides.
Explanation:
any of the elements lithium, sodium, potassium, rubidium, cesium, and francium, occupying Group IA
Answer:
(m1+m2)v
Explanation:
where m1 is the mass of the first body
m2 is the mass of the second body
v is the velocity