[Solved] _______ natural resources are natural resources that can be used repeatedly, and _______ natural resources are natural resources that can be used only once. A) Renewable; nonrenewable B) Non- fossil; fossil C) Nonrenewable; renewable D) Renewable; hydrocarbon Estrogen: A group of sex hormones crucial for the development and functioning of female reproductive tissues, and also involved in various other body processes. Testosterone: A steroid hormone that is the primary male sex hormone, responsible for the development of male secondary sexual characteristics. Pornography: Material designed to stimulate sexual excitement through the depiction of sexual activities or content. Initiate Sex: The act of starting sexual activity or making moves that suggest the desire for sexual engagement.