The us has way more things to help fight such as medicines
Because circumpolar constellations never rise or set, they provide reliable reference points for astronavigation. Knowing the circumpolar constellations in each hemisphere allows navigators to find their way using only the stars.
Answer:
There isn´t other planet on which we could survive unprotected
Explanation:
Still no other planet has been found that has an atmosphere capable of retaining oxygen and decreasing solar radiation so that the person does not need as much oxygen equipment as a special suit to avoid the different types of raciations that can reach the planet .
It is also believed that it is possible to find on a future planet similar to Earth in which you can live without protection.
Productive Resources are resources used to make goods and services.
Therefore the best possible option is the last one - Factors that are used to make goods and services.
I honestly have no idea but i think it’s the first one
sorry if it’s weong
