Answer:
its the 2nd one i think
Explanation:
Doesnt give a whole lot of context but this is based off of my knowledge
Your answer is in fact b electromagnetism.
3:1 homozygous dominant, heterozygous dominant, heterozygous dominant and <span>homozygous recessive.</span>
oxygen only needs <u>six</u> dots! 2 sets of two dots, and the two lines. Or instead of using two lines, you could use one, and add an extra dot to each oxygen. but the first way is quicker.