1. Electromagneac waves are proucay A ANY DISTURBANCE
B. CURRENTS C. VOLTAGE SOURCE
2. Which two colors of light lie at the beginning and end of the visible spectrum?
A. RED AND VIOLET
C. YELLOW AND VIOLET
B. RED AND YELLOW
D. YELLOW AND GREEN
ine

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.

Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.

Why is permeable soil best for plants that need a lot of drainage?