The answer is Option B, International Space Station.
Project gemini and mercury were for orbits around the earth (without docking) and Project Apollo was to fly to the moon.
Answer:
1.305 * 10⁻¹⁰
Explanation:
The earth disk is circular, hence the area of the earth disk is given as:
This ratio represents the fraction that would be blocked if the planet did not reflect any light, hence:
fraction of the total emitted sunlight reflected by earth = 29% of 4.5 * 10⁻¹⁰ = 0.29 * 4.5 * 10⁻¹⁰ = 1.305 * 10⁻¹⁰
D. Transform
This is because this is where plates slide past eachother.
Both Namibia and Botswana are mostly covered by the Kalahari Desert, along with few regions of Namibia. According to the geographical statistics, Botswana's seventy percent territory is covered by the Kalahari desert. That makes the option d. Botswana, the country mainly covered by the Kalahari Desert.