Ascientist studies the dna of three different species. the dna from species a is more similar to dna from species b than dna from species c. which species are probably the most closely related? explain your answer.

What is a metal replacement reaction

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature