A granular substance is added to a liquid. Which of the following would
provide evidence to suggest a
chemical change has taken place?
O
A The liquid gives off heat.
B The granules dissolve
completely.
c The volume of the liquid
increases.
D The granules seem to get
smaller.

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

Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.