Pretest: Introduction to Economics Select the correct answer from the drop-down menu. their marginal People keep spending additional units of a particular resource on a want until their marginal benefit is _ their marginal cost. decreasing with greater than less than not affected by

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24

the answer is: d) o, f, and kr.

atomic radius of bromine (br) is 114 pm.

atomic radius of oxygen (o) is 73 pm.

atomic radius of fluorine (f) is 72 pm.

atomic radius of krypron (kr) is 112 pm.

the atomic radius of a chemical element is a measure of the size of its atom.

the atomic radius varies with increasing atomic number, but usually increases because of increasing of number of electrons.

the atomic radius decreases across the periods because an increasing number of protons, because greater attraction between the protons and electrons.

the answer is a. q=6,r=6√2

step-by-step explanation:

you a real one for tat answer

step-by-step explanation: