Ethanoic acid QUESTION 10
Which of the following compounds is more reactive?
Butano
2.pentanol
3 methylhexanol
pentane
QUESTION 11
What compound is more reactive butanol,2-pentanol, 3 methyl hexanol , pentane

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere, b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify, d)anaerobic bacteria kept thriving with more oxygen

Hormones are chemical molecules produced by endocrine glands. one such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles. which two statements describe the probable reason for the function of the hormone? the cells in the heart have specific receptors that allow for the intake of hormones. the heart and the endocrine glands have the exact same types of cells. all cells make the same types of hormones. thyroid hormones show their effect on the heart by means of specialized cells. thyroid cells and cardiac cells have different dna.

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity