An observation is
a. a possible explanation for events using prior knowledge
b. always quantitative
c. made using any of the five senses
d. always qualitative

Does the sun release radiant energy?

What are the proteins in connectivity tissues of your foot examples of?

Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases