Biology, 03.03.2021 04:10 boogerbuttday
Match the following. Match the items in the left column to the items in the right column.
a galaxy with a central bulge,
1. black hole
2. elliptical galaxy
3. galaxy
flattened disk, and curving arms
a region of space with matter so
dense that light cannot escape it
a galaxy whose stars are
symmetrically dispersed in a spherical or
elongated shape
a galaxy formed by the collision of
other galaxies
a large-scale collection of stars,
dust, and gas held together by gravity
4. irregular galaxy
5. Spiral galaxy
Answers: 1
Biology, 21.06.2019 16:00
Which of the following is the main purpose of a human community?
Answers: 1
Biology, 21.06.2019 22:00
Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses
Answers: 1
Biology, 22.06.2019 06:30
Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?
Answers: 1
Match the following. Match the items in the left column to the items in the right column.
a galaxy...
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