Which of the following releases matter? A. engaging a car exhaust system B. picking up iron filings with a magnet C. turbines spinning in a power plant D. turning on an electric hot plate

Explain why scientists use shared characteristics to make cladograms.

What are the three major branches of natural science? • earth and space science, life science, physical science •earth and space science, physical science, chemistry •physical science, life science, chemistry •life science, chemistry, physics

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.