Spacecraft would travel at the speed of light.
There is enough water There might not be enough
and oxygen.
water and oxygen.
Earth today
There are many kinds of tasty food.
Read and chose the best answer.
1 Why would people move to Mars?
a The Earth is crowded and polluted.
b People want to make friends with those from another planet.
a Fast and comfortable. b Fast but uncomfortable.
c Slow but comfortable. 4 What would food on Mars be like? a Very tasty. b Very sweet. c Not very tasty.
A for one purpose B a second time from the begin C decide in what way things are similar or different D having a nice taste E full of people F happening in a short period of time G a person who rides in a car, bus, train, etc. but does not drive it H the total number of people in an area, a country, etc.