Please tell what is fact or what is opinion

1. Cardinals are pretty.

Opinion

2. Birds help plants grow.

Fact

3. Many birds migrate in the winter.

Fact

4. Woodpeckers are annoying.

Opinion

5. Female birds lay eggs.

Fact

6. Birds sing beautifully.

Opinion

7. Birds have hollow bones.

Fact

8. Feathers help keep birds warm

Fact

9. Everyone should have a pet bird.

Opinion

10. All birds need food and water.

Fact

A fact is a statement that is true and a opinion is a statement someone thinks about it.

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

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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: