Suppose a submarine in changing depths. which direction could the submarine move to go from an area of lower pressure to an area of higher pressure? A. from the deep ocean to the twilight zone
B. from the twilight zone to the ocean surface
C. from the deep ocean to a tench
D. from a tench to the twilight zone

For a to be healthy, it has to have lots of different kinds of plants and animals. all of the different types of plants and animals in an ecosystem. name four types of ecosystems from those listed in the video. b) c) d) most living things live here. all living things depend on how an ecosystem like a game of sticks? why should we build new buildings on existing land? name four extinct species from those listed in the video. b) c) d) the best way to wipe out a species is to the largest ecosystem in the world is this percent of the world is covered by water. how many of all species in the world live in the ocean? list five things you can do to increase biodiversity. b) c) d) e) how many species are we losing per hour?

What best describes the dropping height of a ball that bounces back up to a height of 45 cm

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different