Kepler derived his three laws of planetary motion entirely from
observations of the planets and their motions in the sky.
Newton published his law of universal gravitation almost a hundred
years later. Using some calculus and some analytic geometry, which
any serious sophomore in an engineering college should be able to do,
it can be shown that IF Newton's law of gravitation is correct, then it MUST
lead to Kepler's laws. Gravity, as Newton described it, must make the planets
in their orbits behave exactly as they do.
This demonstration is a tremendous boost for the work of both Kepler
and Newton.
D. Weathering
The six steps of the rock cycle includes Weathering and Erosion, Transportation, Deposition, Compaction and Cementation. Metamorphism, Rock Melting.
Deposition is the process where rock particles sink at the rivers and become sediment.
Weathering is the process by which wind and water breaks down igneous, sedimentary, and metamorphic rocks. The process refers to large rocks broken down into smaller pieces and the broken off particles stay in the area.
Answer:
Far point of the eye is 22.24 m
Far point of the eye is 0.4 m
Explanation:

Object distance = u
Image distance = v
Lens equation

Far point

Far point of the eye is 22.24 m
Object distance = u = 0.25-0.02 = 0.23 m


Near point

Far point of the eye is 0.4 m
The simplest test to do in order to identify the possible presence of hydrochloric acid is to use a pH paper. Dipping it will change the color of the paper to a color that will signify that the pH is under the acid range (1-6). Hope this helps.