The photograph shows a mixture of beach sand. A student wants to separate the shell bits, rocks, and sea animals
from the sand.
Which method is the best way for the student to separate the mixture?
A. Filtering
B. Magnetism
C. Evaporation
D. Settling

Evaluate this exponential expression,8. (2 + 3)2 – 42

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

Both josef loschmidt and amedeo avogadro contributed to our understanding of basic molecular numbers, sizes, and reaction ratios. neither scientist discovered “avogadro’s number” in the form we use it today (6.02 x 10 23). still, there’s a controversy over the name. research the contributions from these two scientists and read about how avogadro’s number got its name. briefly state what you think this number should be called, providing key details of each scientist’s contributions to this concept and a solid rationale for your case in naming the number.