Match the compound with the correct element contained within it. Question 1 options: Copper Zinc

Magnesium

Iron

Carbon,

hydrogen, nitrogen, oxygen, phosphorus, and calcium.

Cobalt

1. Chlorophyll 2. Hemoglobin 3. 300 enzymes 4. 30 enzymes 5. Vitamin B12 6. Organic compounds such as carbohydrates, lipids, proteins, and nucleic acids.

A) the enthralling of formation for pure element in its standard state is always positivehope this : )

The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .

Change in speed or direction : )