Biology, 14.12.2021 01:00 jakeyywashere
Which elements atoms have 2 electrons in the first energy level and 4 electrons in the second energy level?
A. Carbon
B. Nitrogen
C. Helium
D. None of the above
Answers: 3
Biology, 22.06.2019 00:30, jadabecute5939
Consider this plant cell which organelle is labeled g
Answers: 1
Biology, 22.06.2019 09:10, kaciebrin211
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.
Answers: 1
Which elements atoms have 2 electrons in the first energy level and 4 electrons in the second energy...
History, 29.08.2019 00:00