D) 1 and 4
Chromosomes are made up of DNA. DNA strands contain short segments called genes.
Answer:
up down up down thats the pattern
Explanation:
Answer:
magnesium has a greater charge, there will be greater attraction between delocalised electrons and the positively charged ion.
Explanation:
I did this once and got it right I hope you get it right too
Answer:
Four (4) hydrogen atoms
Explanation:
C=C-C(triple bond)C
only four hydrogen atoms can bond with the vacant space
