Question 8 of 10 What does the first ionization energy represent?
O A. The energy given off when an electron is gair
OB. The energy required to remove an electron fra
hing
O C. The energy required to add an electron to a ne
D. The energy to remove an energy level of elect

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

What happens when the temperature of a solution increases?

Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?