Archer is a soil scientist and needs to examine a bacteria sample. He wants to be able to change his magnification with different objective lenses. Which microscope should he choose? A. Compound light microscope
B. Transmission electron microscope
C. Dissecting microscope
D. Scanning electron microscope

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5

Why are people not able to skip a dive to the deepest part of the ocean