Answer:

Explanation:
÷
=
To change the ÷ sign to a × sign, swap the denominators and the numerators of the second fraction.
×
=
Directly multiply. Numerators with numerators and denominators with denominators.
Answer:
Hypothalamus
Explanation:
is linked to the pituitary gland (both in the brain) which releases stimulating and inhibiting hormones which go to glands which are part of the endocrine system such as the thymus
Answer:
This Would be B
Explanation:
Oxidation is something that dissolves rock.