Answer:
d) the signals must be changed to another form at ground stations to travel through space.
Explanation:
Spacecraft use transmitters to communicate with people on Earth. This are sent in the form of signals.
The answer is: 60.
Tobacco products are made up of thousands of chemicals, including at least 60 known to cause cancer (carcinogens).
Some of carcinogens chemicals are: acetaldehyde, arsenic, radioactive elements (for example polonium-210), nitrosamines, nickel, benzene, polycyclic aromatic hydrocarbons, vinyl chloride.
Smoking tobacco causes at least 15 different types of cancer. For example: mouth, pharynx, larynx, oesophagus, liver, pancreas, stomach, kidney cancer.
Answer:
6.35 centimeters
Explanation:
<em>2.5 inches</em> = <em>6.35 centimeters</em>
Formula:
- <em>multiply </em><em>the value in </em><em>inche</em><em>s by the </em><em>conversion</em><em> factor '</em><em>2.54'.</em>
So, 2.5 inches = 2.5 × 2.54 = 6.35 centimeters.
Precipitation and temperature