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cestrela7 [59]
3 years ago
5

Which of these statements best describes the St. Lawrence Seaway? The St. Lawrence Seaway connects the St. Lawrence River with t

he Arctic Ocean. The St. Lawrence Seaway provides an important trading route between the U.S. and Mexico. The St. Lawrence Seaway provides an important trading route for the U.S, but has little value for Canada. The St. Lawrence Seaway connects the Great Lakes, the St. Lawrence River, and the Atlantic Ocean.
Biology
2 answers:
suter [353]3 years ago
6 0
The St. Lawrence Seaway connects the Great Lakes, the St. Lawrence River, and the Atlantic Ocean.
ICE Princess25 [194]3 years ago
4 0

Answer:

  • The St. Lawrence Seaway is important for Canadian and U.S. trade.
  • The St. Lawrence Seaway connects the Great Lakes, the St. Lawrence River, and the Atlantic Ocean.

Explanation:

Saint Lawrence Seaway is a canal, canal and lock system that allows ships from the Atlantic Ocean to access the Great Lakes to the western parts of Lake Superior. The sea path is named after the St. Lawrence River, which originates from Lake Ontario and drains into the Atlantic Ocean. It stretches from Montreal to Quebec and Lake Erie, including the Welland Canal. We can say that St. Lawrence Seaway is important for Canadian and US trade. In addition, the St. Lawrence Seaway connects the Great Lakes, the St. Lawrence River and the Atlantic Ocean.

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What part(s) of the cell cycle is (are) most likely being affected by cancer ?
BARSIC [14]

Answer:

DNA Synthesis  the number of chromosomes is altered so that there are either too many or too few chromosomes in the cells.

Explanation:

4 0
2 years ago
The protostome developmental sequence arose just once in evolutionary history, resulting in two main subgroups—Lophotrochozoa an
Lelechka [254]

Answer:

<h2>c. Division of these two groups occurred after the protostome developmental sequence appeared. </h2>

Explanation:

  • Protosomes are such types of organisms in which the mouth part developed first during embryonic development.
  • Those animals in which anus develop first are known as deuterostomes.
  •  This differentiation takes place during the embryonic development of the organisms.
  • Since lophotrochozoan and Ecdysozoa both are protostomes animals and categorized on the basis of molecular evidence.
  • Thus these two groups were formed after the appearance of the protostomes.

8 0
3 years ago
1. Explain the roles of environment and genetics in causing cancer. GUYS PLS HELP ME.ILL GIVE U BRAINLIEST JUST PLS HELP​
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Answer:

Cancer is caused by changes to certain genes that alter the way our cells function. Some of these genetic changes occur naturally when DNA is replicated during the process of cell division. But others are the result of environmental exposures that damage DNA.

4 0
2 years ago
A.
snow_lady [41]

Answer:

A) Light pollution both attracts and repels migratory birds

In addition to the many hazards that exist in urban areas, cities typically lack the food resources and cover that birds need during migration or when raising their young. ... Darkening skies at night during migration season makes it easier for birds to navigate.

Explanation:

Migration carries high costs in predation and mortality, including from hunting by humans, and is driven primarily by availability of food. It occurs mainly in the northern hemisphere, where birds are funneled on to specific routes by natural barriers such as the Mediterranean Sea or the Caribbean Sea.

6 0
3 years ago
Human ABO blood type is controlled by the I locus and has three possible alleles. The alleles which code for type A blood (IA) a
Oxana [17]

Answer:

1/8 (12.5 %)

Explanation:

Cross: IAi X  IAIB

F1: 1/4 IAIA 1/4 IAIB 1/4 IAi 1/4 IBi

Phenotypes:

- IAIA and IAi >> type A blood

- IBi >> type B blood

- IAIB >> type AB blood

Phenotypic frequency type A blood: 1/2  (i.e., 1/4 IAIA +  1/4 IAi) >>

Probability to have 3 offspring with type A blood: 1/2 x 1/2 x 1/2 = 1/8

The human ABO blood group is a system consisting of there different alleles: A, B, and O. This system is used in genetics as an example of codominance because both A and B alleles are expressed in heterozygous individuals (i.e., IAIB), whereas only the allele A is expressed in individuals that have A and O alleles (since O allele is recessive to the A and B alleles).

6 0
3 years ago
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