These are sales terms. A cold call is calling a potential client that you do not know, have not been introduced to, etc... a warm call could be anything from calling a potential client who is a relative, friend, colleague, etc... could also be someone who you've been introduced or referred to.
The main difference is that warm calls are more likely to hear you out, because of a pre-existing relationship.
The density between cold and warm air is, cold air is heavier than warm air.
Its where it is warm in your area or when it is cold in your area.
A difference in temperature.
Warm led is about 3000K and cold led is 5000-6000K
temperature
reptiles are cold blooded and mammals are warm blooded.
Warm currents are warm whereas cold currents are cold. Warm currents flow from the equatorial regions towards the polar regions whereas cold currents flow from the polar regions to the equatorial regions. By- Avyukt Sharma
the difference is warm blood controls their body temp cold blood doesnt
An occluded front is a cold front that is moving faster than a warm front. The cold front soon "catches up" to the warm warm and they merge together.
Warm air rises and cold air sinks. This is called convection and happens because warm air is less dense and lighter.
The difference is that cold blooded animals need to be in the sun to be able to heat up their bodies. Warm blooded animals can heat themselves up without the sun.
The difference between the rain forest and the Arctic is that rain forests are tropical and warm and the Arctic is very, very cold.