Anew product is designed to make plants grow faster. twenty plants are fed the new product and twenty plants are used as a control group. which possible issue might cause an unavoidable error in the study?

Click the game tab at the bottom of the simulation and select level 1. (there is no seesaw balance for this part of the activity.) balance the first equation, and click check to see if you got it right. if you can’t balance it in the first try, you can try again. work through the five equations for level 1. click continue to go on to level 2, and later level 3. each level is more difficult than the one before. keep trying until all the equations are balanced. in one or two sentences, describe how you did in the balancing game. in a few more sentences, explain one strategy you learned for balancing more complex equations.

Select the correct answer. what does the process of natural selection involve?

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created