Of the test tubes pictured below, which one will have the slowest reaction rate with a piece of magnesium metal? Explain why.
1 M
0.01 M
HCl(aq)
HCl(aq)
1.
3.
10 mL
110 mL
0.001 M
0.1 M
HCl(aq)
HCl(aq)
2.
10 mL
10 mL

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon

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.