Water always flows down a water slide. the harder a ball is hit, the faster it will travel. small birds use less energy to fly as fast as big birds. the statements above are examples of a) hypotheses. b) scientific laws. c) unproven theories. d) research problems.

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

click to let others know, how is it

mark brainliest and have a great day!

what subject is this

answer: 45

explanationyou have to add as well to be it could be