Chemical changes
are only caused through burning a material
only occur to weak mat...
Biology, 07.10.2019 07:20 bekahmiller2001
Chemical changes
are only caused through burning a material
only occur to weak materials
change the identity of a substance
do not affect the identity of a substance
Answers: 3
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What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b.diffusion c. endocytosis d. exocytosisc. endocytosis
Answers: 2
Biology, 22.06.2019 13:10
Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed
Answers: 2
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