What is the Jeans instability?

A When a growing protoplanet becomes too large, it is more likely to be split apart by subsequent bombardment than to grow further.

B If a solar nebula is too massive it will continue to collapse to become a black hole and will not form planets.

C If the disk of matter surrounding a solar nebula becomes too hot, it will dissipate, and planets will not form.

D If a cloud of gas and dust is sufficiently dense, it will collapse due to its own gravity.

1. when conducting a test on what kind of music increases the growth of plants, all of the following would fail to meet to fair test standard except (1 point) using different kinds of plants. giving some plants more water than others. exposing the plants to different types of music. using nutrient-rich soil for one and lesser soil for others. 2. engineering uses scientific thinking to solve real-world problems. (1 point) true false 3. what does it mean to test a hypothesis? (1 point) pass a quiz on other scientists’ results analyze only the results from scientific sources not make assumptions about how an experiment will turn out see if the results of an experiment are what the scientist predicted