Biology, 02.10.2021 19:20 ponyolovezsosuk1074
Which important event occurs in the second trimester? (1 point)
The developing human can begin to move its arms and legs.
The face of the developing human starts to form.
The heartbeat of the developing human can be heard via stethoscope.
The developing human starts responding to sounds.
Answers: 3
Biology, 21.06.2019 16:30
Melissa lives in a town called greendale. she discovers that when she lights a match and holds it near her kitchen faucet, the little flame grows into a larger fire. melissa is surprised because she thought the water would extinguish the flame rather than ignite it further. her mother tells her that the water might be contaminated with dissolved methane, a primary component in natural gas. melissa investigates the matter and finds that cases of methane contamination started shortly after a company began fracking for natural gas in the area. based on this information, which three statements are plausible consequences of fracking in greendale?
Answers: 2
Biology, 21.06.2019 21:30
List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.
Answers: 3
Biology, 22.06.2019 01:00
Acquired mutations can result from radiation pollution toxins inheritence select all that apply
Answers: 1
Which important event occurs in the second trimester? (1 point)
The developing human can begin to...
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