Answer:
The exchange of incoming and outgoing radiation that warms the Earth is often referred to as the greenhouse effect because a greenhouse works in much the same way. Incoming UV radiation easily passes through the glass walls of a greenhouse and is absorbed by the plants and hard surfaces inside.

Answer:
D) Public schools are state institutions, and religion and state must legally remain separate
Explanation:
Only one that makes sense to me :)
Seven SI base units. "The metre is the length of the path travelled by light in vacuum during a time interval of 1 /299792458 of a second." 1 /10000000 of the distance from the Earth's equator to the North Pole measured on the circumference through Paris.
Answer:
The purpose of posters are to educate and create awerness on what is happening on a topic.
Intended audience are the passer-by and those who stumble upon it online and children and those who practice them e.g a poster about what happens to those who smoke.
Like I said to educate and teach on the dangers of doing them.and also for awerness
Explanation: