a small, leafy branch is cut from the tree. After some hours, the stem of the branch remains firm, but the leaves become limp, suggest an explanation for this. stem remains firm and leaves become limp?

What do people do at both the river and lake

What part of the cell contains genetic material?

Write two paragraphs comparing plant and animal cells

Which is not a step in most scientific investigations? collecting data through observation and measurement observing and experimenting to test a hypothesis proving a theory and writing a new scientific law developing a hypothesis to explain

Explain in a complete sentence why it is important for scientists to share information with one another.

What tool is use to measure an objects mass?

Which of the following statements about the electron transport chain is true? a. The proton gradient established during electron transport is a form of potential energy. b.

Which analogy best describes theories? Theories are like rocks because they can change but not easilly. Theories are like tides because they frequently go back and forth. Theories are like time because they are eternal and never change.

What happens at level IX on the mercalli scale?

Describe at least one property that occurs because of the polarity of water