Denser materials have more tightly packed particles so the vibrations of the particles are transmitted faster, thus sound moves faster through denser materials

true or false?

Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.

What are some possible consequences of preventing prescribed burns and natural wildfires

Drag the tiles to the correct boxes to complete the pairs. match wach fossil with the layer where it’ll be present based on these condition