Which of the following represents a chemical change?
a. mowing of grass
b. sublim...
Biology, 31.10.2019 00:31 eburnhisel2023
Which of the following represents a chemical change?
a. mowing of grass
b. sublimation of ice
c. dissolving sugar in water
d. charring of a marshmallow
Answers: 1
Biology, 22.06.2019 03:50, yugbug44owwc7w
Why was mendel's work not accepted at the time? o a. his results were false. o b. he did not repeat his experiments. o c. he did not have any data. o d. his results were surprising,
Answers: 2
Biology, 22.06.2019 15:00, donbright100
First described the system of fingerprint ridges and spirals, which eventually were used for fingerprinting. a.) fare and fidelis’s pathology b.) dr. calvin goddard c.) hans gross d.) marcelo malpighi e.) leeuvenhoek’s microscope
Answers: 1
Biology, 22.06.2019 15:30, qudoniselmore0
Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos
Answers: 3
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