Lack of infrastructure in Africa is one of the major problem that prevents Africa from being able to fully utilize its resources. This is because there are not massive and robust factory infrastructures that can process many of its natural resources into refined and final resources.
Well if you mean what does the controlled part of a scientific investigation, it is the part of the investigation that will be your control or your base, untouched, original, data and such.
Answer:
- United States
- Canada
Explanation:
As per the question, the two countries that concluded the construction of 'St. Lawrence Waterway' would be the United States, as well as, Canada. The waterway construction began in the year 1954 and took five long years and it was completed in 1959. The project was a joint venture between the U.S. and Canada which is an arrangement of several channels, waterways, and locks that allows the easy travelling of ships towards the Great Lakes located in Northern America from the Atlantic Ocean. The seaway is elongated for 595 Km beginning from Montreal to Port Colborne.
The correct answer C. Pectinoid is the most occurring fossil that is a bivalve. They are a superfamily of marine bivalve mollusks which includes scallops and oysters. Members of this family have a triangular resilium.
