Which statements prove the law of conservation of matter? (Select all that apply.) sugar dissolving into water
burning a piece of paper
cookie dough is baked into a cookie
water evaporating in the water cycle which is an open system

Describe the function of the endomembrane system? what organelles are involved?

An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.

Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3