Answer:
a substance that has a ph level less than 7
Explanation:
Explanation:
Thyroid disease occurs when the thyroid (a small, butterfly-shaped gland in the front of your neck) does not produce the right amount of thyroid hormone. These hormones control how your body uses energy.
The fallopian tube brings a mature ovum to the uterus.
DNA is an example of a complex biological polymer called a nuclei acid. Nucleic acids are made up of many smaller sub units called nucleotides. The components of a DNA nucleotide are deoxyribose, phosphate group, nitrogen group. There are four possible bases in a DNA molecules which includes adenine, cytosine, guanine and tymine.
I am pretty sure it's D) use of electrons focused by magnetic fields.
