Answer:
A hot ball of gas that produces energy by combining atoms into heavier atoms.
Explanation:
A star is a huge glowing ball of hot gas, mainly hydrogen and helium. Stars fuse atoms in their core to produce heat and light energy. An example of a star is the sun, which slams hydrogen atoms together under high heat and pressure resulting in a much heavier atom, a helium atom. Very heavy elements are made in massive starts when they die.
You can plug all that into desmos calculator and find your answer on there.
Some people call scree talus which is smaller rocks broken from bigger ones which are extremely slippery. Talus also known as boulders are also slippery. You can fall between them, lodged between two of them, twist ankles, break bones. You have to be strong to hop these types of boulders.
By the Romans when they conquered them