If vector a ⃗ has components a x and a y and makes an angle θ with the +x axis, then

Which statement best describes how private industry decides where to spend the money on research and development

Which of the following is not am example of a polymer? protein nylon kevlar concreta

Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.