Biology, 28.04.2021 01:00, ns047637pea80j
A girl holds her breath for 30 seconds, breathes out, and then breathes in. Compared with the air she breathes out, the air she breathes in contains less
A) carbon dioxide and water vapour
B) nitrogen and water vapour.
C) oxygen and carbon dioxide.
D) oxygen and nitrogen.
Answers: 2
Biology, 21.06.2019 19:00, darkshaders11
The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.
Answers: 3
Biology, 21.06.2019 20:00, annapittbull12
Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport
Answers: 1
Biology, 21.06.2019 21:00, ashleyp2249
List two modern organisms that have pentameral symmetry
Answers: 1
Biology, 21.06.2019 23:30, babiibri4771
If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?
Answers: 1
A girl holds her breath for 30 seconds, breathes out, and then breathes in. Compared with the air sh...
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