Amoebas have projections called pseudopods. What are they used for

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

Wave functions describe orbitals in a hydrogen atom. each function is characterized by 3 quantum numbers: n, l, and ml. if the value of n = 2: the quantum number l can have values from to . the total number of orbitals possible at the n = 2 energy level is .