Human activities can have more affect on the environment than you may think. When a dam is built, what are some of the impacts it will have on the surrounding environment? Practice
Answer in at least 2 complete sentences.

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled