A walking cane imitates bats. Bats and walking canes use echo that bounces back to them and tells them how far away something is.
What do satellites do?
They orbit the Earth and take pictures of it.
What do you know about the solar system?
There are the sun and 8 planets in the solar system. The first man in space was Yuri Gagarin in 1969. The Earth spins around the Sun. the Moon spins around the
What do you do when you say "no" to something?
refuse to do something
Give 2-3 synonyms for "very cold" weather.
harsh, extremely cold, freezing
Who is the president?
The president is the leader of a country. E.g. Xi Jinping, G. Washington, A. Lincoln