Answer:
the Earth is tilted on its axis
the Earth is a sphere
different materials on Earth's surface absorb heat at different rates
Explanation:
The heating and cooling rates of land and water differ. This effects the heating of the earth according to these substances. Since the planet Earth is spherical in shape, the equator heats up more as compared to that of the polar regions. The differences in the seasons is because of the axis on which the Earth is tilted. Because of rotation, the heating and cooling of the Earth's surface differ. These are the reasons that are the reason for the uneven heating of the sun.
One step which the employer or the owner of the power line must deenergize or ground the power line. Other than that, other protective measures must be taken before work begins.
13 is the answer. Mean means average. Add up all of your numbers to get 130 then divide by the numbers you have so 130/10 you get 13.
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Ionic charge increases from left to right in periodic table which results in a decrease in ionic radius.
Ionic charge is the electrical charge of an ion formed when when an atom gains or losses electron.
Metals form ionic charge (cation) by the loss of electron while non-metal form ionic charge (anion) by the gain of electron.
- This ionic charge increases across the group and consequently, results in a decrease of ionic radius.
- When a positive ion (cation) transfers electron to the negative ion (anion) an Ionic bond will be formed.
<u>For example</u>;
- ionic charge of group 1 elements = +1
- ionic charge of group 2 elements = + 2
- ionic charge of group 3 elements = + 3
- ionic charge of group 4 elements (carbon group) = -4 or +4, (<em>they don't usually form ions</em>)
- ionic charge of group 5 elements = -5
- ionic charge of group 6 elements = -6
- ionic charge of group 7 elements = -7
Thus, we can conclude that ionic charge increases from left to right in periodic table which results in a decrease in ionic radius.
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