Question

fun fact for u guys : Thanks to 3D printing, NASA can basically “email” tools to astronauts. :)

Answer 1

Answer:

oh really thats very nice

Answer 2

Answer:

The natural environment or natural world encompasses all living and non-living things occurring naturally, meaning in this case not artificial. The term is most often applied to the Earth or some parts of Earth. Wikipedia

Challenges

Step-by-step explanation:

haha haha

please mark my ans as brainliest