Cell differentiation causes embryonic cells to become which of these cells? A) prokaryotic cells B) specialized cells C) stem cells

Which of the following represents a negatively charged ion? of t 7

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

(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.