Answer:
Keelboats have been used for exploration, such as during the Lewis and Clark Expedition, but were primarily used to transport cargo or settlers in the early 19th century. The process of moving a keelboat upriver was extremely difficult, though current dependent.The earliest keelboat seems to have been a skiff with a plank nailed the length of the bottom to make the boat easier to steer, but by about 1790 the keelboat had become a long narrow craft built on a keel and ribs, with a long cargo box amidships.
Explanation:
States' rights. In American political discourse, states' rights are political powers held for the state governments rather than the federal government according to the United States Constitution, reflecting especially the enumerated powers of Congress and the Tenth Amendment.
The answer is C) The British and the Spanish fought the Americans for control of Florida.
Answer:
conduction
Explanation:
heat is transferred through solids from one particle to another particle or from the pan to the egg
Answer:
Matching Correct Terms to Descriptions:
Description Correct Term
1. Cross-Sectional Study
2. Case Report
3. Case-Control Study
4. Case Report
5. Ecological Study
6. Case Report
7. Case-Control Study
8. Clinical Trial
9. Case Report
10. Cohort Study
Explanation:
Terms:
A. Cohort Study: a study that compares the incidence of the outcome of interest between an exposed and an unexposed group.
B. Case-Control Study: a study that compares a group with a known outcome and another group without the outcome.
C. Cross-Sectional Study involves an evaluation of people from different age, ethnic, geographical, or social backgrounds.
D. Ecological Study: A study that can be used to measure the prevalence and incidence of a rare disease among the population.
E. Clinical Trial studies new tests and treatments in order to evaluate their effects on human health outcomes.
F. Case Report is a detailed study to identify new developments.
