The point in a planet's orbit where it is closest to the Sun is called the .
aphelion
solstice
omnihelion
perihelion

The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment

What enzyme is most important for dna replication and why?