Read this paragraph and answer the following question about it:
A scientist in Northern Califo...
Biology, 13.04.2020 19:01 cpcoolestkid4
Read this paragraph and answer the following question about it:
A scientist in Northern California is studying the tree rings of a very old redwood tree. He notices that the oldest tree rings are very narrow. As the rings move away from the center, he observes 15 rings that get wider and wider.
What can you determine about the climate during the 15-year period during which the tree rings grew wider?
A) the climate was warmer and wetter
B)the climate was warmer and drier
C)the climate was colder and drier
D)the climate was colder and wetter
Answers: 3
Biology, 21.06.2019 14:30
5) these are organisms where the genetic material is not bound by a nucleus. they are usually unicellular.
Answers: 1
Biology, 22.06.2019 04:30
Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.
Answers: 1
Biology, 22.06.2019 09:50
Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users
Answers: 2
Biology, 22.06.2019 10:00
Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.
Answers: 1
Biology, 11.12.2020 02:00
Mathematics, 11.12.2020 02:00
Mathematics, 11.12.2020 02:00
History, 11.12.2020 02:00
English, 11.12.2020 02:00
Physics, 11.12.2020 02:00
History, 11.12.2020 02:00
History, 11.12.2020 02:00
English, 11.12.2020 02:00
English, 11.12.2020 02:00
Mathematics, 11.12.2020 02:00