Answer:
true
After two half-lives, there is no longer any of the original radioactive material remaining.
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America
hope that helps if you have any questions let me know and if you could mark this as brainliest i would really appreciate it!
Answer:
The banking is not a common service in Cuba.
Explanation:
A is correct because the banking is not really a sector that is well developed, and this is mainly because of the political climate in the country and that it is still relatively closed to the world.
B is not correct because Cuba is a country that has excellent health care, and a lot of people have their goal of becoming doctors.
C is not correct because tourism is one of the most developed sectors in the country, so naturally many people work in it.
D is not correct because the cigar rolling has traditionally been part of the Cuban culture, and having the best brand in the world, it is no wonder that a lot of people still do this.
The capital of Bosnia (the country is actually called Bosnia and Herzegovina) is Sarajevo - the correct answer is 1).
It is a city where you can find a Turkish-style architecture in the center, Austria-Hungarian architecture and Yugoslav architecture - 3 historical styles in one city.
Answer:
species rose by allopatric speciation when Isthmus of Panama separated the ancestral species.
Explanation:
- The causes of the morphological and the genetic comparison of the groups of 30 species can be explained by the part of the species that have an allopatric specialization.
- Suggest the mode of the specialization that occurs when the biological population of the same species becomes isolated with each other
- This prevents the interference of the gene flow.
- The isthmus of the Panama is a narrow strip of the lands and contains the countries of the Panama and was formed about 2.8 million years ago.