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.
Answer:
What group of people ay?
Maybe look at their differences in appearance: height, size, weight, skin color, clothing choice?
Answer:
heating the reactant mix
Explanation:
Heat can result in to speed the reaction process.
hope it helps!
Answer: d
explanation: in both reactants and products there are 2 hydrogen and 2 chlorine atoms
