60 years is three half life for the substance, so 40*1/2^3=5
Answer:
Nitrogen and phosphorus are among the elements considered most limiting to plant growth and productivity because they are often present in small quantities locally or are present in a form that cannot be used by the plant.
Explanation:
Dissociate in water because water is a polar molecule
Answer:
The length of the two wires
Explanation:
A control variable is what you keep the same through the whole experiment so therefore it could be both length and diameter
Answer: for HCO it dissolves in water
for CH2OH IT dissolves in water
Explanation:
i just took the test
