What molecules main job is to carry the genetic code? 1. DNA
2. Protein
3. tRNA
4. rRNA

(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.

Every early childhood education program should develop a

The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird