<u>Answer:
</u>
Once Earth-like planets are identified, the next step would be to check the habitability.
<u>Explanation:
</u>
- Space exploration is meant to understand the outer celestial structures by developing and implementing space technologies. Once the objects are traced out, next step would be to check the habitability.
- This includes various features like climate, temperature, water composition, UV light etc. Ultra Violet radiations could help to start life on any planet as they are the building blocks of life.
<span>Elements that are in the same column (group) as it.
So, some elements would be Beryllium, Barium, Magnesium, and Strontium</span>
