How does heat move? A From hot to cold B From cold to hot C There is no pattern, it just moves freely D Heat doesn't move

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Which of the following is not an assumption that scientists must make about the natural world? a. regularity b. causality c. predictability d. plausibility