Two atoms have the same number of protons but different number if neutrons these atoms are:
a. electrons
b. molecules
c. radiation
d. isotopes
(apex)

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight

Me the formula cacl2 represents the compound

What is the main reason that attitudes are more often revealed in spoken rather than written language? a. in writing, we try to put the "best face" on what we write. b. we speak far more often than we write. c. in writing, we can more easily conceal our attitudes. d. in spoken language, we are often careless in our use of words.