Emotional effects of steroid use seem to depend on the type of steroid used. The correct option among all the options that are given in the question is the last option or option "d". There are various type of drugs that affect the user in variety of emotional ways. Some drugs make people violent, while others take them to the dreamland.
Niacin is also known as Vitamin B3. It is needed by the body because it produces the coenzymes NAD and NADP which are responsible for the body's metabolic reactions. If you are deficient of niacin, the body can synthesize it using tryptophan. Food sources of tryptophan include eggs, liver, peanut butter and dairy products.
(16.5 m/s + 5 m/s) ÷ (40 m) = 0.5375 Hz
1 ÷ 0.5375 Hz = 1.86 s
round up and you get 1.9 s, so the answer would be A.
I got phenotypic ratio of 16 grey hair/ black eyes