In which type of mixture can different parts be seen? A.) heterogeneous

B.) molecular

C.) compound

D.) homogeneous

Suppose that a comet that was seen in 563 a. d. by chinese astronomers was spotted again in year 1951. assume the time between observations is the period of the comet and take its eccentricity as 0.986. what are (a) the semimajor axis of the comet's orbit and (b) its greatest distance from the sun?

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f