One of tycho brahe's major contributions to astronomy was to prove that A comet was outside of Earths atmosphere.
One of tycho brahe's major contributions to astronomy was to prove that A Supernova was much farther away than the planets.
These are his two contributions
The sentence which describes a cause-and-effect structure is the following: "Working on a wind turbine can involve hazards, such as falls, fires, or fatigue." (D).
A sentence containing a cause-and-effect structure means that you should have, in 1 sentence:
- an element being the reason for something to happen (the <em>cause</em>),
- an element being the consequence of it (the <em>effect</em>).
Here, the fact that people are working on wind turbines is the cause, because it leads to possible consequences: they can fall, trigger fires, or become fatigued (these are the effects).
Look at https://www.timetoast.com/timelines/japan-s-industrialization-and-modernization
