I’m so sorry explain it more
Answer:
It's D the number of organisms an ecosystem can support.
Check if it's right first then if it is, happy to help
Because someone was wearing it and their dna could be in it i’m guessing
Answer:

Explanation:
Reactants
Magnesium = 24.3 g
Hydrogen chloride= x g
Products
Hydrogen gas = 2.04 g
Magnesium chloride = 96.9 g
As the mass of the reactions is conserved we have
Mass of reactants = Mass of products

Mass of hydrogen chloride is
.
Answer:
Moseley made revisions to the periodic table that resolved some of the problems with Mendeleev's version, which accounted for variations from isotopes
Explanation: