Astronomers study radio waves to learn about the universe. why might radio waves be used to study objects in space?

they are sound waves that cause vibrations in stars and planets.

they are longitudinal waves, which create compressions in the fabric of space.

they are electromagnetic waves, so they don't require a medium.

they are mechanical waves that pass through interstellar particles.

Which statements best describe the atoms of the gas neon? check all that apply

What two conditions must be present for osmosis to occur?

Which series lists the correct order of steps of binary fission from first to last? sex pilus connects two cells ® plasmid dna is transferred ® complementary dna strands are created ® cells separate live cells bind to degraded cells ® dna is transported across the membrane ® dna is incorporated into recipient's dna virus infects bacterial cell, new viruses are made ® dna is assembled in new virus ® new virus infects another bacterial cell and transfers dna dna is copied ® dna molecules attach to cell membrane ® cell membrane elongates and pinches off ® two identical cells are produced