Question

23 todays atmosphere is actually the ______ version of earths atmosphere. o third o original o second o tenth skip 22/49 complete

Explanation:

Earth's atmosphere has evolved through different stages. The current atmosphere is the third - generation atmosphere. The first atmosphere was mainly hydrogen and helium which were lost early on. The second atmosphere was formed by volcanic outgassing. The third atmosphere is the one we have today, shaped by biological processes like photosynthesis.

Answer:

A. third