Why might a scientist repeat an experiment if he/she didn't make a mistake in the first one? an experiment should be repeated to
a) increase income for increased work.
b) prove how good of a scientist you are.
c) double check your results.
d) show how smart you are.

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

(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.

Which of these transport mechanisms moves glucose from the blood into a cell? active transport diffusion facilitated diffusion osmosis