The instructions on a chromosome are called-DNA
-Steel jelly
Answer:
When elements and compounds that are dissolved in water leave a solution, crystallization occurs. Minerals form in this way underground & in bodies of water.
Explanation: so either underground or water
Answer:
A
Explanation:
Earth revolves around the sun
I took a test on this
The aquifer which will be most effective in purifying polluted ground water is AN AQUIFER COMPOSED MAINLY OF SAND.
An aquifer refers to a zone of permeable rock strata which transmit ground water freely. An aquifer must be permeable and porous. Ground water can be extracted from an aquifer by using a water well.
They are both renewable resources
