The further a star is away from Earth, the more it is

The more it is red shifted.

Hope this helped, have a good day

the leaf is an organ of a typical plant, and the main functions are to complete photosynthesis and allow the plant to exchange gas, just like how we have the respiratory system. leaves have the stomata, which collects maintains co2 and o2 levels. this is necessary for cell metabolism. the leaf also collects sunlight using chloroplasts. succinctly, leaves own a pivotal role in sustaining plant life.

1. they vary with a higher number because boiling is way hotter than melting