Health & Science

How many miles per minute is the speed of light?

The speed of light in a vacuum is 186,282 miles per second (299,792 kilometers per second), and in theory nothing can travel faster than light. In miles per hour, light speed is, well, a lot: about 670,616,629 mph. If you could travel at the speed of light, you could go around the Earth 7.5 times in one second.

What is the average size of a newborn’s head?

The average newborn’s head circumference measures about 13 3⁄4 inches (35 cm), growing to about 15 inches (38 cm) by one month. Because boys tend to be slightly larger than girls, their heads are larger, though the average difference is less than 1⁄2 inch (1 cm).

Which planet is the heaviest?

Giant Jupiter is almost three times heavier than all the other eight planets put together. This sounds like a simple, .straightforward answer to the question, but there is more to it. Jupiter is 1,318 times . to an equal volume of water.

How many chambers does a human heart have?

The heart has four chambers: two atria and two ventricles. The right atrium receives oxygen-poor blood from the body and pumps it to the right ventricle. The right ventricle pumps the oxygen-poor blood to the lungs. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle.

What does a sensory nerve do?

Sensory neuron. Sensory neurons are nerve cells within the nervous system responsible for converting external stimuli from the organism’s environment into internal electrical impulses. For example, some sensory neurons respond to tactile stimuli and can activate motor neurons in order to achieve muscle contraction.

What Color Does natural gas burn?

On a natural gas appliance, the color of the flame is a good indicator of incomplete combustion. The flame should always burn blue, not orange or yellow. If the flame is not blue, it may be a sign that the appliance needs adjusting or cleaning.

What makes something acidic or basic?

When a hydrogen ion is released, the solution becomes acidic. When a hydroxide ion is released, the solution becomes basic. Those two special ions determine whether you are looking at an acid or a base. For example, vinegar is also called acetic acid.