Ahot sun warms the surface of a lake on a calm day. what will happen to the cold water at the bottom of the lake? a. the cold water at the bottom will rise up and mix with the warm water at the top. b. the warm water at the top will sink down and mix with the cold water at the bottom. c. the cold water will remain at the bottom and will not mix with the warm water at the top. d. both a and b are true.
Answers: 2
Another question on Biology
Biology, 22.06.2019 03:00
Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.
Answers: 1
Biology, 22.06.2019 07:30
The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction
Answers: 1
Biology, 22.06.2019 10:00
With regard to enzymes, key is to lock as a) substrate is to activation energy eliminate b) product is to substrate. c) enzyme is to active site. d) substrate is to active site.
Answers: 1
Biology, 22.06.2019 10:30
Which of the following terms best matches this definition: the process where humans choose the traits that will be present in the next generation through breeding. question 4 options: genetic determinism artificial selection acquired selection natural selection
Answers: 2
You know the right answer?
Ahot sun warms the surface of a lake on a calm day. what will happen to the cold water at the bottom...
Questions
Mathematics, 30.05.2020 07:58
History, 30.05.2020 07:58
Biology, 30.05.2020 07:58
Biology, 30.05.2020 07:58
English, 30.05.2020 07:58
History, 30.05.2020 07:59
Mathematics, 30.05.2020 07:59
