Biology, 16.07.2019 14:00 depinedainstcom
Which is not true about s waves? a. they cannot be transmitted through water or air. b. they travel more slowly than p waves can travel. c. they shake particles at right angles to the direction the waves travel. d. they change the volume of material by compression and expansion.
Answers: 2
Biology, 21.06.2019 18:30
The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.
Answers: 2
Biology, 21.06.2019 20:00
Arrange the following in the correct sequence, from earliest to most recent, in which these plant traits originated. 1. sporophyte dominance, gametophyte independence 2. sporophyte dominance, gametophyte dependence 3. gametophyte dominance, sporophyte dependence a) 1 → 2 → 3 b) 2 → 3 → 1 c) 2 → 1 → 3 d) 3 → 2 → 1 e) 3 → 1 → 2
Answers: 1
Biology, 22.06.2019 02:00
What would happen if the krill were removed from the food web
Answers: 2
Which is not true about s waves? a. they cannot be transmitted through water or air. b. they travel...
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