Pl
explain

a star appears to be red in the night sky. is the star traveling toward the earth or away from the earth? how do we know this?
5 points for correct direction
5 points for explanation

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

Long term exposure to waves can cause sunburns and skin cancer. a) visible b) infrared c) gamma rays d) ultraviole

How hot is the suns corona? (integrated science)