Answer:
fapem method of watering crops
Explanation:
right
Chalk is a soft white powdery limestone that's made with fossil shells of foraminifers. Chert is a hard dark opaque sedimentary rock which is made of silica with an amorphous fine grained texture.
Answer:
1853–1924: Passenger railways and expansion
The 14-carriage train was hauled by three steam locomotives: the Sahib, Sindh, and Sultan. ... The first passenger train in eastern India ran from Howrah (near Calcutta) to Hoogly, a distance of 24 miles (39 km), on 15 August 1854.
CO2 is an important trace gas in Earth's atmosphere. It is an integral part of the carbon cycle, a biogeochemical cycle in which carbon is exchanged between the Earth's oceans, soil, rocks and the biosphere. Plants and other photoautotrophs use solar energy to produce carbohydrate from atmospheric carbon dioxide and water by photosynthesis. Almost all other organisms depend on carbohydrate derived from photosynthesis as their primary source of energy and carbon compounds.
Answer:
it has to be b because of the other ones are wrong