HELP ME QUICKLY PLEASE Which statement is correct - id10211725 от Christiancameron1234 16.02.2020 16:01

Question

Biology: HELP ME QUICKLY PLEASE Which statement is correct about wind turbines? a They create mechanical and electrical energy. b They transform wind energy to electrical energy. c Their total energy decreases when electricity is produced. d Their total energy increases when electricity is produced.

Christiancameron1234 · Accepted Answer

Jawless fish was present before vertebrates.

Explanation:

Jawless fish has some characteristics of vertebrates and also considered as the ancestor of vertebrates on earth which is similar in appearance with the hagfish. It was present about 500 to 600 million years ago. They consist of cranium but vertebral column is absent. but with the passage of time, evolution occurs and many animals which was the descendant of this jawless fish having vertebral column or backbone in their body.

HELP ME QUICKLY PLEASE Which statement is correct about wind turbines? a They create

Popular Questions about the subject: Biology

New questions by subject

We expand our knowledge with many expert answers