subject
Biology, 02.04.2020 22:17 apgg303

Which statement describes the formation of galaxies?
A. They begin in nebulas.
B. Heat and gases contract.
C. Gravity causes stars to cluster.
D. Dust and gases contract.

ansver
Answers: 2

Other questions on the subject: Biology

image
Biology, 21.06.2019 23:30, gabbystar517
What are some possible short and long term medical concerns for crew members on longer space exploration trips
Answers: 3
image
Biology, 22.06.2019 15:00, cdeanrn8971
The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.
Answers: 1
image
Biology, 22.06.2019 16:40, ralphy34
Cells a and b are the same size and shape, but cell a is metabolically quiet and cell b is actively consuming oxygen. oxygen will diffuse more quickly into cell because . b the oxygen molecules inside cell b have a higher kinetic energy b. a its membrane transport proteins will not be saturated c. a the diffusion gradient there is shallowerd. b the diffusion gradient there is steeper
Answers: 2
image
Biology, 22.06.2019 17:00, bessieyounger1211
Imagine a person stepping on a pin and pulling his or her foot away. look at the reflex arc of this scenario below. which statement best describes the image? a)the sensory nerve carries the signal from the effector to the interneuron, and the motor neuron carries the signal to the receptor. b)the motor nerve carries the signal from the receptor to the interneuron, and the sensory neuron carries the signal to the effector. c)the sensory nerve carries the signal from the receptor to the interneuron, and the motor neuron carries the signal to the effector. d)the sensory nerve carries the signal from the receptor to the motor neuron, and the interneuron carries the signal to the effector.
Answers: 1
You know the right answer?
Which statement describes the formation of galaxies?
A. They begin in nebulas.
B. Heat a...

Questions in other subjects:

Konu
Mathematics, 18.11.2020 20:30