Which of the following has a flxed volume but not a flxed shape? rock

oxygen

carbon dioxide

water

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

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.

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years