C but it's still not exactly correct, they would just be definite carriers of the colour blind trait but only the girls are able to obtain the gene
A type of strong chemical bond in which two atoms share one or more pairs of valence electrons. Two or more atoms held together by covalent bonds. The attraction that exists between opposing (positive and negative) charges within the atom.
Because if we're simultaneously moving/manipulating two different variables it can be very hard to determine why one variable is changing and why the other is changing. While this can be done with more complicated experimental designs, it usually is the case that scientists will only manipulate one variable and not two different ones.
C. It’s good to repeat experiments in case you miss something or something was off
Answer:
studying biology we can make informed decisions on issues that impact us and our society.
