Which set of rational numbers is arranged from least to greatest? (4 points)

Group of answer choices

−0.5, , , 1

1, , −0.5,

, −0.5, 1,

, 1, , −0.5

Mario performed an experiment to determine if photosynthesis was affected by the amount of light that a plant received. what could he have done to increase the validity of his data? reduce the number of plants. remove the 1 hour group. add a 0 hours control. measure the oxygen in liters

Does the sun release radiant energy?

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .