Which of the following statements about water are true? Check all that apply.
Water covers 75% of the Earth
Once water is used it can never be reused.
Only 3% of Earth's water is fresh water.
Water comprises the majority of all plants and animals

A,C,D

Explanation:

Correct

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation:

the overall balanced equation

6co2 + 6h2o > c6h12o6 + 6o2

sunlight energy

where: co2 = carbon dioxide

h2o = water

light energy is required

c6h12o6 = glucose

o2 = oxygen