How much energy has your body used, in joules, if your health device indicates that 450 Calories were burned during your workout? How many Calories are in a dinner containing 3.5 x 10 to the power of 6 joules

Explanation:

1 Calorie = 4184 Joules

450 Calories = 450 x 4184 J

= 188.28 x 10⁴ J

3.5 x 10⁶ joules

4184 joules = 1 Calorie

3.5 x 10⁶ joules = 836.52 Calories.

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

the answer is c.the valence of the atoms combine .