Question

What is a planetesimal?(1 point) Responses large rocks that become the building blocks of planets large rocks that become the building blocks of planets a cloud of dust and gases that formed our solar system a cloud of dust and gases that formed our solar system two or more forms of the same element two or more forms of the same element a planet in a different solar system

Answer 1

A planetesimal is best described as **large rocks that become the building blocks of planets**.