State a characteristics of a bird, rat and frog that makes them vertebrates

Vertebrates are animals that have a backbone or some sort of spinal column, they are also called vertebrae. Vertebrates include, mammals, birds, reptiles, amphibians, and fish.

Birds: All birds have a spine and they can fly and they rule the sky, unlike bats.

Rats: They are mammals due to the fact they have a spine, so it makes them a vertebrae.

Frogs: They are amphibians, and all amphibians have a spine.

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the answer is a) a shiprock was formed by igneous process

the farther away the object is from the central star (the sun) it's gravitainal pull on the object is weaker when it is farther

explanation: