1. estuary
2. shallow waters of the caribbean sea
I check all of them. most of them correct but one
in question 6, the answer is the third choice. remember to find the neutrons, you take the atomic mass minus the atomic number. 38 - 18= 20
Abiotic being is a non-living or sterile could cover a lot of elements in the desert ecosystem. Rocks, water, air
Hope it helped
Answer:
Molarity= 0.071M
Explanation:
Molar mass of NaNO3= 23+14+(16*3)=85
n= m/M = 30/85= 0.353mol
V= 5L
Applying
n= CV
0.353= C×5
Simplify
C= 0.071M
What is the percent composition by mass of oxygen in magnesium oxide, MgO?
Answer: 39.7 percent
