Only the proximodistal principle operates in early motor development

Here are many interesting and alluring products available that claim to help with weight loss efforts

T They include, but are not limited to, appetite-suppressing eyeglasses, weight-loss earrings, electrical muscle stimulators, and magnet diet pills that flush fat out of the body. What do all of these products have in common? A) They are effective at inspiring weight loss for the first few weeks of use, but then their results taper off. B) They are extremely dangerous, as they can be misused and lead to severe illnesses. C) There is no scientific support for the effectiveness of any of these products. D) They work very well, but only as a result of the placebo effect.

Which of the following is NOT one of the possible biological influences on homosexuality that has been found by research?

A) Genetic differences B) Prenatal sex hormone exposure C) Brain structure differences D) Neurotransmitter differences