Biology, 08.02.2021 21:10, almadimas16
Natural
combustion
photosynthesis
burning of
fossil fuels
animal
respiration
plant
respiration
Carbon Cycle
organic
carbon
decomposition
of organic waste
mineral carbon
nswered
Answers: 1
Biology, 22.06.2019 06:30, Aliyahh5673
Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food
Answers: 1
Biology, 22.06.2019 06:50, jerrica988
Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.
Answers: 3
Biology, 22.06.2019 11:00, greciakawaii
2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.
Answers: 1
Natural
combustion
photosynthesis
burning of
fossil fuels
animal
resp...
photosynthesis
burning of
fossil fuels
animal
resp...
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