2. explain how the earth is kept warm by greenhouse gases?

answer:

earth's surface warms up in the sunlight. at night, earth's surface cools, releasing heat back into the air. but some of the heat is trapped by the greenhouse gases in the atmosphere. that's what keeps our earth a warm and cozy 58 degrees fahrenheit (14 degrees celsius), on average.

explanation:

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.