The crust is made mostly of * D). nitrogen
B). oxygen and silicon
C). cooper and magnesium
A). iron and nickel

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.

What in scientific term why the salty popcorn causes this thirst

If animal agriculture was eliminated, how much grain would become available for human consumption?