Humans secreting pheromones is an example of which form of communication?

a.

physical

c.

biological

b.

chemical

d.

diurnal

Which term describes the process of bituminous coal changing into anthracite coal? A. lithification B. conglomeration C. metamorphosis D. adhesion

Do prions do any nutrition process? I know prions are proteins but, what do they do to keep functioning?

Discus the merits and demerits of lepidopteran insects of crops production?

Convert the volume of CO2 you measured in the glucose reaction to moles of CO2 using the Ideal Gas Law to solve for n. Assume P is 1 atm.

Black fur (B) in guinea pigs is dominant over white fur (b). What is the probability of the offspring having white fur in a cross: BB x Bb

Which one of the following remains intact after extensive decomposition and can be used to assist in personal identification of remains? A. Blood B. Hair C. Bones D. Muscle structure

Which star has the highest absolute brightness?

What is the benefit or advantage of using spectral karyotype

A hypothesis that in non-falsifiable is?

What is the difference between a meteor and a meteorite? A meteor has more mass A meteorite reaches Earth and has not burned up A meteorite orbits the sun and a meteor does not A meteorite glows