What is the valence of an atom with six electrons in its outer electron shell? A)1
B) 2
C) 3
D) 4
E) 5

What food can provide the body with a quick source of the energy needed to carry out cell functions (a) whole grain bread (b) ground hamburger (c) vegetable oil (d) whole milk

Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms

Why were the results whit just water so much different than the trials with the detergent ?