Answer:
Looks like a balloon to me
Explanation:
Atomic mass is the number of protons + number of neutrons. 11 protons + 12 neturons = 23
Answer:
Correct answer is A.
Explanation:
Frequency is the number of oscillations that a wave have per unit time. Since time is measured in seconds, the wave with the highest frequency must register the highest number of oscillation per second. Hence, correct answer is A.
