Me with 5 and 6 ! for 6 those are the options for all 5 it’s asking answer all

answer: 21

step-by-step explanation:

divide 630 by 30. 30 goes into 630 21 times

there are mainly three domains in biological classification namely; archaea, bacteria, and eukarya.

archaea includes all the prokaryotic cells which are characterized by their lipid membranes. they have branched hydrocarbon which is attached to glycerol through an ether linkage.

bacteria includes all the prokaryotic cells, the cell membrane of which are made up of the unbranched fatty acid chain. in addition, they are attached to glycerol through an ester bond.

eukarya includes all the eukaryotic cells, that is, the cells contain a nucleus and other membrane-bound cell organelles.

they can be autotrophic as well as heterotrophic, unicellular as well as multicellular

they include kingdoms like protista, plantae, animalia, fungi et cetera.

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explanation:

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

the actual answer was 160934