The type of economy exist in : B. Mixed type of economy
In mixed type of economy, both government and private enterprises work together to maintain the economic activities. The government usually control the one that involved in people's daily important necessities, such as :transportation, water, utilities, Gases, etc while the private enterprises control the secondary and tertiary goods
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Meteorology is the science that looks at atmosphere and the weather. Atmosphere and weather would normally go together because atmosphere is a layer of gas that surrounds Earth and studying the atmospheric pressure could lead to the prediction and identification of weather. Meteorology made it possible for people to forecast weather through observation of the atmosphere and analysis of the changes occurring in them. Meteorology is further divided into sub disciplines which include air quality, climate change, climate modeling, etc.
A. power mobility.............
The Lend-Lease Act was signed by President Roosevelt in 1941, which means that we can exclude options a) and c) since they refer to a different time.
It was an act to support the Allied nations with goods during the war, it inlcluded sending weapons to England- correct options is D.