The change from ice directly to vapor is called ________
Fill in the blank(s) with the appropriate word(s).
Answer: sublimation
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What is a gene? Why so many of an organism's traits are determined by its genes?
What will be an ideal response?
How do worms help plants grow?
A. They carry out chemical reactions that convert carbon dioxide to nitrogen. B. They add excrement, a source of nutrients, plus they produce air space by crawling through the soil. C. They are a source of minerals. D. They decompose organic material into compounds plants can use.
What is a residue?
A) An amino acid which has been severed from a protein. B) Any individual amino acid in a protein or polypeptide. C) The portion of a protein which remains after one amino acid has been removed from the C-terminus. D) The portion of a protein which remains after one amino acid has been removed from the N-terminus.
The "dirty dozen" POPs targeted by the Stockholm Convention include ________
A) DDT and PCBs B) BPA and radon C) Roundup and glyphosate D) Dr. Pepper and Mountain Dew E) Bt toxin and isopropyl alcohol