Scientific questions have certain qualities in common. Choose the descriptions that apply to all scientific questions. Check all that apply.
They may generate a testable hypothesis.
They must be very complicated.
They are formed only by scientists with proper training.
They have a narrow focus.
They address a gap in knowledge.

Select the correct text in the passage. the moving continents affect all subsystems on earth. which sentence identifies a potentially negative consequence of shifting continents? the supercontinent pangaea began to break up about 175 million years ago. [during this process, more coastline was exposed as the landmasses separated]. [the rearrangement and displacement of these huge landmasses resulted in the diversity of plants and animals we see on earth today]. [the movement of the plates sometimes leads to earthquakes and tsunamis]. however, over the long course of earth's history, their effects are usually minimal. in oceans, the plate movements usually lead to seafloor spreading. [seafloor spreading often results in the formation of underwater ranges of mountains].

Find the equation of the line passing through the point (–1, 5) and perpendicular to the line 3x + y = 4.

What factors britain to become an industrial and commercial power?