What is the voltage drop across the 20.0 resistor?
A. 1.50 V
B. 20.0 V
C. 30.0 V
D. 90.0 V

His image shows four different finches charles darwin found while on the galapagos islands. which of these would be most adapted to eating nuts and seeds?

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

Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?