Mr. Krabs thinks that a special juice will increase the productivity of his workers. To test this hypothesis, he asks Spongebob and
Squidward to put boxes of frozen Krabby Patties in the freezer. He
gives Squidward the special juice before he works but does not give
any to Spongebob. After an hour, Mr. Krabs counts how many boxes
they have each put in the freezer. Squidward has put 158 boxes in
the freezer, and Spongebob has put 211 boxes in the freezer.

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.