They are pools of money that are managed by an investment company. they offer investors a variety of goals, depending on the fund and its investment charter.

Mutual Funds

Explanation:

Mutual funds are a kind of financial agency constituted of a pool of capital gathered from several investors to buy securities such as stocks and bonds. A mutual fund is run by a manager who allocates the fund's capital to make investors´ money grow, so every shareholder shares both the profits or losses of the fund. Each mutual fund has specific investment objectives.

c. taught scientists many new things about the earth, but not other planets.

explanation:

jupiter is mainly composed of hydrogen and helium just like a star. spectral analysis of jupiter has revealed that in addition to hydrogen and helium, the planet is made of water, methane and ammonia. those elements are in trace amounts. the core of the planet is thought to contain some rock and metallic hydrogen. i hope this will give you the answer to your question! : d