It is clearly (a) is Einstein's equation
The percent composition of what? It should ask to find the percent composition of one of the parts like copper, sulfer, or water.
Answer:
Model 2 and model 3
Explanation:
Both atomic models represent hydrogen, which consists of one proton in the nucleus. Both atomic models consists of 1 proton, which means that both their atomic numbers are equal to 1
Camels lose less water through their urine and feces than many other mammals. Their kidneys concentrate water heavily, leading to salty urine. The intestines also reabsorb water from intestinal material as it is digested, so dry feces are produced.