Answer:
The top of the Grand Canyon is made up of Kaibab Limestone. Which contains marine fossils which indicate that it originated at the bottom of the sea.
Explanation:
Answer: B. the 20th Amendment, setting January 20 as inauguration day for the president
Explanation: The 20th Amendment, also called the Lame Duck Amendment, decreased the amount of time between the presidential election and the inaugration of the new president. This was made because of advances in technology with faster travel and communication.
Answer:
The study of the earth's ecosystems is also part of the physical systems element. This element includes the ways that human actions modify the physical environment. It also considers the affect that physical systems, such as landforms and weather, have on human systems.
Answer:
Public healthcare.
Explanation:
Public healthcare is the set of measures and policies designed to meet the health and medical needs of the population, through government action and through the use of public money. Thus, the financing of hospitals, clinics, vaccination plans, etc., by the government, is part of this concept. Its objective is to guarantee access to health for the majority of the population, to prevent the spread of diseases and guarantee a higher standard of living for people. This type of measures is usually financed through the taxes that the government collects, with which countries with this type of system usually charge higher taxes to their citizens, as is the case of Canada.
