In three to five sentences, explain the evidence that supports the idea that water on Earth may have come from comets.

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.

What are 3 reasons that natural selection occurs