Humans have been around for what % of the Earth’s history? Humans have been around for what % of the earth's history? 0.00% 30% 2% 15% Correct! Wrong! Did You Know? Continue >> Share the quiz to show your results ! Share on Facebook Subscribe to see your results Show my results Humans have been around for what % of the Earth’s history? I got %%score%% of %%total%% right %%description%% %%description%% Loading...
3 What spacecraft takes astronauts into space, orbits the Earth and can be flown more than once? September 24, 2024
