Biology, 23.09.2019 21:00 ineedhelp2285

20. which activity is an example of a chemical change?
(1) dissolving table salt in water
(3) hammering aluminum into thin sheets
(2) melting gold to make jewelry (4) burning wood to produce ashes

Answers: 1

Show answers

Other questions on the subject: Biology

Biology, 21.06.2019 18:10, kellynadine02

Why do mutations in genes affect traits? o a. genes determine what type of mutagens an organism has. o b. genes produce proteins that cause traits. o c. genes affect how many chromosomes an organism has o d. genes code for carbohydrates that influence traits.

Answers: 1

continue

Biology, 22.06.2019 00:00, Blbyrd1287

Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Answers: 1

continue

Biology, 22.06.2019 05:00, eskarletche8

(amoeba sisters video recap: pedigrees and need

Answers: 1

continue

Biology, 22.06.2019 08:00, cailinhannon4828

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4

Answers: 2

continue

You know the right answer?

20. which activity is an example of a chemical change?
(1) dissolving table salt in water