It takes exactly 500 seconds for the sun's radiation to reach the earth or about 8 minutes (8.333333333333... to be exact). Just divide 150 million km by 300,000 km/s. Hope this helps
Answer:
It is a physical change because this change is reversible and no chemical reaction occurs.
Explanation:
Answer:
but why are you asking about water
Explanation:
when combustion is done with coal hydrocarbons are released in air this pollute the air
The element used in advertising signs is neon.
Answer: Radioactive decay
Explanation:
Radioactive decay involves the emission of radiation by the nucleus of an element through the process of disentegration of the nucleus.
