Answer: External forces are forces caused by external agent outside of the system. Internal forces are forces exchanged by the objects in the system. To determine what part should be considered external and internal, mechanical system should be clearly defined.
Explanation:
Answer:
I would say D.) at least or A.)
Explanation:
keep on studying for it, look online or at your library in school, take notes in class if you want to. hope this helps,:)
Answer:
On Pluto, where the winter lasts for half of the nearly 250-year orbital period, temperatures undoubtedly do drop to such low values. On the Earth and other planets with an atmosphere, so-called greenhouse gases can trap part of the heat radiated by the surface, keeping the surface warmer.
Explanation:
What was yesterday's high temperature in auburn wa.
Answer at the picture above.