PLEASE HELP ASAP!! A lens is an instrument that can combine and focus light to a single point. The diagram below show many different color of light onto a lens and focusing on Point X
Which of the following best describes the effect the lens has on Point X?
A. Point X will appear to constantly change color
B. The light will combine to form white light at Point X
C. Some of the light will combine at Point X and make it appear darker
D. The lens will cause the light from Point X to reflect back as a different color

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

What is the lowest number energy level where a d sublevel is found