Place the four american space programs in the order in which they appeared. 1. first mercury 2. second apollo 3. third shuttle 4. fourth gemini

1. Mercury

2. Gemini

3. Apollo

4. Shuttle

Project Mercury was launched in the period ( 1959-1963). Project Gemini was just for a one year period (1965-1966). Project Apollo was launched in the period (1961-1975). Space Shuttle is a pretty latest project (1971-2011).

answer: the correct answer is   air pressure at the top of mount everest is higher than at the bottom of the grand canyon.

hope this : )

explanation:

not moving. pos accel,