The experimental set up shows the change in the color after copper sulfate crystals are put into a beaker of water. observations verify that a) particle motion results in a rapid rate of diffusion. b) water molecules move as a result of active transport. c) stirring is necessary to dissolve the copper sulfate in water. d) copper sulfate spreads out through the water as a result of diffusion.

Asap timed! 1. ice core samples from glaciers ice caps contain bubbles of ancient atmosphere that are in layers based on age. what questions are scientists most interested in? a. how the amount of water vapor needed to make the ice has changed b. how the amount of ozone has changed over time.c. how the amount of ice in each layer has changed over time d. how the amount of carbon dioxide has changed over time 2. what produces milankovich cycles ? a. sunspots ams solar flare on the suns surface b. changes in the earths orbit c. gravitational changes bases on the position of the sun and the moond. cycles of vegetation that result in desert and rainforest conditions

How many copies of genes do gametes have?

What type of reaction is photosynthesis