How do electromagnets differ from regular magnets?

a) they can be turned on or off

b) Their polarity can be reversed

c) Their strength can be changed

d) All of the above

In the 1500s, Europeans traded guns for?

why did european countries sent colonists to the americas? to ease over population to convert the natives people to christianity to collect taxes from the colonists to gain control over americas rescources

Identify the main river that flows through indochina

What causes the storm to start to spin in the way characteristic of hurricanes?

The following example appeals to which rhetorical appeal? Example: Using the findings of a credible scientific researcher to argue that global warming is caused by human activity.

Which is the most accurate method of showing the entire surface of the earth? A. Mercator projection B. globe C. global gores D. Robinson projection

A geologist is making repeated measurements) in grams) on the massof a rock. It is not known whether the measurements are a randomsample from an approximately normal population.

Which term refers to South Asia's unique geographical position in Asia

According to Alonso, Mexican nationalist ideology completely ignores the contributions of which group that was part of colonial Mexican society? A) European whitesB) African slavesC) CreolesD) conquered indigenous peoples

Planets travel at a constant rate around the Sun. a. True b. False