At what age would you expect a child to use two to three word sentences to ask for things or talk about things?

If the wings of extant flying birds originally arose as thermoregulatory devices in ancestral reptiles, then the bird wings could be accurately described as _____.

Match the homeowners coverages A – F with they type of loss that they insure.

Potential output is the level of real GDP that 

Lloyd’s of London is an insurance company.

After fertilization, the _____ develops into a seed and the _____ develops into a fruit.

To close a recessionary gap with fiscal policy, the government could:

Jake loves science, particularly chemistry. While experimenting with a chemical combination for a school science fair project, he discovered that the concoction removed stains from virtually any fabric or fiber—from carpets to delicate linens. He knew that he had stumbled onto a great invention. He filed paperwork to get the product patented. He didn’t have the capital, equipment, or time to make the product, so he sold a manufacturer the right to produce and distribute the product. The manufacturer paid Jake a percentage of the annual profits.

Like gymnosperms, many grasses and angiosperm trees are wind-pollinated. To conserve energy, these angiosperms do not produce complete flowers (complete flowers have all four of the basic parts). Which part would be unnecessary for wind-pollinated angiosperms?

What evidence most strongly suggests that an impact by an asteroid or meteorite may have caused the extinction of the dinosaurs?