Question

select the correct answer. greta is writing a paper on near - earth objects for her science class. she collected the information shown in the table, but she forgot to label each object. based on the data, what is space object b?

	space object a	space object b
orbital period	3 to 6 years	3.3 to 70,000 years

a. an asteroid
b. a comet
c. a meteor
d. a meteorite

Explanation:

Asteroids are made of rocks and metals and have relatively short - orbital periods. Comets are composed mostly of ice and have highly variable orbital periods from a few years to tens of thousands of years. Meteors are space rocks that enter Earth's atmosphere and meteorites are meteors that reach the Earth's surface. Based on the composition of mostly ice and the wide - range of orbital periods, space object B is a comet.

Answer:

B. a comet