∠A and \angle ∠B are supplementary angles. If m\angle A=(3x-23)^{\circ}∠A=(3x−23) ∘
and m\angle B=(2x-12)

∘
, then find the measure of \angle ∠B.

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

Choose the diagram that best represents a habitat corridor explain your choice.

In order for you to hold your breath, your nervous system must send messages to your a. respiratory system b. digestive system c. heart in your cardiovascular system d. check in your muscular system