Natural resources, such as lumber, iron, ore and crude oil, which are extracted from the Earth and sold or traded with other nations are called Materials food

Raw materials

Goods

Information technology

complete the square on the right side of the equation;

-5(x + 0)^2 + 15

answer: d. y = -x^2 + 15

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.

c.           is the correct answer