Select the correct answer. Magnesium is an alkaline earth metal with an atomic number of 12. It's in the third row in the
periodic table. Which expression shows one way to find the number of valence electrons in one
atom of magnesium?
OA.
12 x 3
OB
12-3
Oc.
(12-8)-2
OD
(12-2) + 8
OE.
(12 + 2) - 8

Astudy was performed on 20 trees to test the effectiveness of a new fertilizer. the results of this specific study is brought into question. what would possibly improve the reliability of the results?

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.