Sometimes a few of the planets are visible from Earth without a telescope. Why do the planets look so small from Earth?
A. because they are extremely far away
B. because they are each about the size of a grain of sand
C. because they are always moving away from Earth
OD. because the Earth's atmosphere distorts what we see
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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

Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.