Question 10
Contact forces are forces acting upon two objects in contact. Which of the following does NOT represent a contact force?
A. Pushing an object on the floor.
B. Dropping a marble from the roof
C. Kicking a soccer ball across a field
D. The weight of a pen on a table

You are a scientist who has been sent on a special mission to study plants and animals in south asia! your destination is an important forest in eastern india. you need to travel to 17°n latitude and 83°e longitude. which star should you travel to?

Look at the data above. provide an explanation for europe’s projected population decrease by the year 2050. (i'm doing this for future kids) the answer is : the percentage of people over the age of 65 and under the age of 15 in europe is currently the same at 16% each. therefore, the majority of the population is between the ages of 16 and 64. in forty years from now, in 2050, a greater percentage of the population will be over the age of 65. europe also has a relatively long life expectancy of 75 years. this, combined with a low birth rate means that by 2050 europe’s population will actually be less than it is today.

What does 2[tex] {2}^{ - 4} \times {2}^{ - 2} [/tex]