Which statement accurately describes dark matter? 1: It is the same as dark energy.
2: It is well understood by scientists.
3 :It does not emit electromagnetic radiation.
4: It can be observed by shifts in red and blue light.

1

Explanation:

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Description

Dark matter is a form of matter thought to account for approximately 85% of the matter in the universe and about a quarter of its total mass–energy density or about 2.241×10−27 kg/m3. .

located offshore, in the arctic and pacific oceans

sheep is a herbivore animal whereas grasshopper belongs to the class chordates but both of them feed on greens.  

if grasshopper and sheep feeding on a pasture land, i do not think both of them will have any impact on each other. however, the number of the species can make difference. since sheep feed on greens, there is a possibility there left no pasture land for the grasshoppers or they may get extinct.