12 12. Which statement best explains how a planet affects the orbital
path of a comet as the comet passes by the planet?
O A. The speed of the comet creates an area of low
pressure as the comet passes by, pulling the planet
toward the comet.
OB. The magnetic fields of the comet and the planet
produce similar charges, pushing the two objects
apart as the comet passes by.
O
C. The planet has a stronger gravitational field than
the comet has, and the comet is pulled slightly
toward the planet as it passes by.
D. The gravitational field of the planet pulls the comet,
which does not have a gravitational field, toward the i
planet as the comet passes by

your answer is yx

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~mia

grav forces affect all objects magnetic forces affect magnetic objects and electric currents

-first use of geothermal energy occurred more than 10,000 years ago in north america by american paleo-indians

-the first industrial use of geothermal energy began near pisa, italy in late 18th century

-in 1904, italian scientist piero ginori conti invented the first geothermal electric power plant in which steam was used to generate the power

-with the above experiment, the first geothermal plant in usa started in 1922 with a capacity of 250 kilowatts

-however, in 1946 first ground-source geothermal heat pump installed at commonwealth building in portland, oregon

-during the 1960’s, pacific gas and electric began operation of first large scale geothermal power plant in san francisco, producing 11 megawatts

-in 1973, when oil crisis began many countries began looking for renewable energy sources and by 1980’s geothermal heat pumps (ghp) started gaining popularity in order to reduce heating and cooling costs

-as effect of climate change started showing results, governments of various countries joined hands to fight against it, for which kyoto protocol was signed in japan in 1997, laid out emission targets for rich countries and required that they transfer funds and technology to developing countries, 184 countries have ratified it

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the order for strong to weak forces such as

strong nuclear force → electromegnetic force → weak nuclear force → gravitational force

the fundamental forces are those forces that act between to objects or element to make interactions. there are four types of fundamental forces such as strong and weak nuclear forces (due to protons and electrons), electromagnetic force (due to the motion of electrons) and gravitational force (due to orbital movement of the planet). if these forces are arranged on the basis of their maximum strength then the order is

strong nuclear force → electromegnetic force → weak nuclear force → gravitational force