Which is the best hypothesis for the scientific question “How does light intensity affect the rate of photosynthesis?”

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.

What are they five steps of cloning?

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous