First Person to answer both parts correctly gets brainliest Part 1:

Pick 3-5 different colors to represent your elements,
Using dots to represent elements, draw an example below that supports the law of conservation of matter.

Part 2:

Directions: Explain the example you created above. How does it show that the law of conservation of matter is true?
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Deer cave cannot support photosynthesis is as not enough sunlight is present. in spite of this, it still has a complex food chain. what is the energy foundation of this food chain?

Sally and sue were investigating the topic of friction in science. they used a small car and a ramp as seen in the picture to test what they were learning. they knew that they slipped easily on waxed floors but not on carpet, so they decided to change the material on the surface of the ramp to see what happened. they planned to use glass, carpet, aluminum foil, and sandpaper and run the car down the ramp over each surface. what would be the best research question to guide the girls' experiment? a) does the amount of surface area affect the friction on the moving car? b) will the car travel fastest on the glass surface? c) how does the angle of the ramp affect the speed of the car? d)do rougher surfaces tend to create more friction than smooth surfaces?

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca