What is a proton? A. any particle found in the nucleus
B. A positive change particle
C. An element on the periodic table
D. A negatively charged particle

Are salt and soap nutrients or toxins for yeast? explain.

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?

What condition is kept close to its set point in osmoregulation? a. body temperature b.platelet count c.blood glucose level d.water balance