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statuscvo [17]
3 years ago
14

Explain how dark matter affects models of the fate of the universe

Biology
1 answer:
grigory [225]3 years ago
4 0

Answer: Dark energy and dark matter describe proposed solutions to as yet unresolved gravitational phenomena. So far as we know, the two are distinct. Dark matter originates from our efforts to explain the observed mismatch between the gravitational mass and the luminous mass of galaxies and clusters of galaxies.

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How was the knowledge of ecological succession applied to the reclamation of land damaged due to mining?
Mandarinka [93]

After mining, to reclaim the land, the depression is filled with rocks then the top is filled with loosely graded soil. Introduction of early succession plants is important before big trees can grow. The early succession plants help in the breaking down of the rocks into soil hence making the topsoil deeper to support trees.  

6 0
3 years ago
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Hunter-gatherer societies are often _____. permanent semipermanent very dense nomadic
zmey [24]

Hunter-gatherer societies are often nomadic. I believe.

8 0
3 years ago
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True or false?
Vinil7 [7]

Answer:

Explanation:

1. Over time more and more molecules of DCPIP would be decreased by electrons taken from plastoquinone (Pq). This statement is true in the sense that DCPIP is an artificial electronic acceptor which is decreased by taking electrons from plastoquinone.

2.) Water splitting by Photosystem II would occur at higher levels than if the drug were administered without DCPIP. This statement is true.

3.)Events in Photosystem I would occur just as they would in the absence of drug and DCPIP. This statement is false because the drug obstructs the electron transport from plastoquinone to cytochrome B. So the events are abnormal because no protein transfer is involved in this mechanism.

5 0
3 years ago
Which of the following is a term used to describe the deep and flat portions of the ocean on either side of a mid-ocean ridge? A
Black_prince [1.1K]
Seamount and guyot are types of mountain - so we can reject those options, since we're looking for a flat surface, not a mountain.

A trench is a narrow ditch, or  depression so also it's not a plain

The correct answer is abyssal plain - it's a plain typically next to a continental rise (leading to the continent) and a mid-ocean ridge.
4 0
3 years ago
Chromosomes are located in a nucleus in which of the following? I. Viruses II. Prokaryotes III. Eukaryotes
denpristay [2]
III Eukaryotes.


Explanation: This is an animal cell. Plants and viruses do not have chromosomes. Only animals do.
6 0
3 years ago
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