Answer:
The hypothalamus plays ahuge role in the endocrine system. It is responsible for maintaining your body's internal balance of temperature.
When your hypothalamus senses that you're too hot, it sends signals to your sweat glands to make you sweat and cool your temperature.
When the hypothalamus senses that you're too cold, it sends signals to your muscles that make your shiver and create warmth, rising your temperature.
Milliliter and liter for a liquid.
For a solid object, I would say meter and cubic centimeter
Warm fronts cause snow flurries in the winter, while cold fronts cause several days of rainy weather. Warm fronts cause rapid changes in weather, while cold fronts cause several days of cloudy weather. Warm fronts cause thunderstorms in the summer, while cold fronts cause rain when the air is humid.
Essentially the answer is in the names. Active transport requires energy to facilitate to movement of the materials while passive transport is something like osmosis which is when the material moves based on concentration in an effort to create equality between the two sides. Basically passive is when the materials move under the own power.