Help with the questions pls

How are fossils most commonly formed

Which contributions did galileo make to the model of the solar system? check all that apply. a mathematical model for the orbits of the planets scientifically accurate data on planetary orbits data that showed that planets reflected sunlight similar to earth's moon up the idea that stars are other suns that do not move u observations of the moons of jupiter rotating around the gas giant

The development of this new blg-free, hypoallergenic milk is based on a science that came to the forefront 150 years ago. what scientist's work provided the basis for such feats in biotechnology?