E6db50-4c3f-4330-a Changes in Ecosystems
4
In a local town, many people have been seen dumping used motor oil onto the ground. The
the oil cause any pollution?
OA. No, if you can't see the oil after it is dumped, nothing is polluted.
О В.
No, oil came from the ground in the first place, so it is okay to return it to the ground.
OC.
Yes, everything poured onto the ground is pollution
OD
Yes, the oil could pollute the groundwater.
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Label a-f based on the table using c for concentrated and d for dilute

Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g.  what is the percent by mass of water in the hydrate?   %

Need asap question 1 minerals are organic compounds. true false question 2 what vitamin can be found in foods like oranges, grapefruits, and broccoli? a. vitamin a b. vitamin k c.vitamin c d. vitamin d question 3 what are minerals? a. chemical elements that are needed for body processes. b. organic compounds that the body needs in small amounts to function properly. c. small molecules used to build proteins. d. an organic compound that is insoluble in water and includes fats. question 4 how many types of vitamins does the human body need? a. 15 b. 11 c. 13 d. 17 question 5 vitamins are a good source of energy. true false