Answer
300
Explanation
At first Freya started with 200 yards.
Then she gradually increased her distance by adding 5 yards a day for 2 days.
The formula for the model is given by;
X=200+(n-1)5. Where X=the distance she sprint on day 21
X=200+(21-1)5
X=200+ (20)5=300 yards
False, evaporation happens when when atoms or molecules escape from the liquid and turn into a vapor .
Answer:
Question 1: getting there
Mars- between 150 and 300 days depending on where mars is in relation to the earth, the speed of the launch, and the exact travel path that will be taken
Uranus- about 9 and a half years
Question 2: weather
Mars- the atmosphere is completely thin, and an extremely cold planet, with an average temperature of around -80°
Uranus- has very strange seasons due to its tilt, has a surface temperature of about -300°F, strong winds, and sometimes clouds made up of methane ice crystals
Question 3: clothing
Mars and Uranus- both mars and Uranus are unsuitable for humans, you would most definetly need a full body space suit such as the Z-2 Spacesuit created by NASA
you can answer the rest based off imagination and Google for facts
Industrial development resulting in pollution.
Develop renewable resources, improve agricultural methods, improve fuel efficiency, and reduce petroleum use