Two year old Marcus wants to dress, eat, and walk without his mother's assistance. Erickson would say that the child is operating at the stage of

Which element is used in photosynthesis found in atmosphere and fixed by bacteria?

What is the number of phosphates in an atp molecule

(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.