Given a scientific question, generate a correct answer to it.

Ex Input:
Besides increasing the potential, how else can you increase current in a circuit?

Ex Output:
decreasing the resistance

Ex Input:
What phenomenon makes global winds blow northeast to southwest or the reverse in the northern hemisphere and northwest to southeast or the reverse in the southern hemisphere?

Ex Output:
coriolis effect

Ex Input:
What can help scientist gather information for an investigation?

Ex Output:
observations