Four of the Five great lakes border Canada:
1) Lake Ontario
2) lake Erie
3) Lake Superior
4) Lake Huron.
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Answer:
There are three main sources of heat in the deep earth: (1) heat from when the planet formed and accreted, which has not yet been lost; (2) frictional heating, caused by denser core material sinking to the center of the planet; and (3) heat from the decay of radioactive elements.
Explanation:
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The correct answer is 4) They have ring systems.
Explanation:
Jovial planets are also known as Giant planets, they include Jupiter, Saturn, Uranus and Neptune, these planets are classified as Giant planets because they are massive although they are composed mainly of gas and light materials. Additionally, most of this planets have one or more moons and all of them have ring systems which are rings made of particles, dust, debris, ice and other materials that are placed around the planet and orbit it, although only the ring system of Saturn is visible and because of this it is the best known. Thus, the statement that describes Jovian planets is "They have ring systems".