G. radiation and convection
<span>Heat in Physics is an energy that is in a process of transfer between a system and its surroundings other than the transfer of matter. In Thermodynamics, a science that deals with the study of heat and temperature and their relationship to energy and work, finer details of the process is unpredictable. Heat flows from a hotter to a colder body when there is a physical pathway. This pathway is suitable and can be direct such as radiation and conduction. It can also be indirect as in convective circulation.</span>
The correct answer to the question Which of the following was an early realization that gave rise to Darwin's theory of natural selection? is D The earth and its organisms have changed through time.
<span>An asteroid is a celestial body. A large number of asteroids form a doughnut-shaped ring in space called the main asteroid belt. </span>The asteroid belt is the circumstellar disc in the Solar
System located roughly between the orbits of the planets Mars and Jupiter. It
is occupied by numerous irregularly shaped bodies called asteroids or minor
planets.
Fewer elements than compounds, because elements combine together to make compounds.