Answer:
B. Although they are generalizations, economic laws are useful because they allow us to predict and therefore influence or adjust to events.
Explanation:
Economic laws are like scientific laws which trace out a causal relationship between two or more phenomena. Simply put, they are statement of tendencies.
The inner cell mass of the trophoblast developments into the primary germ layers which are named the endoderm , ectoderm and mesoderm
<h3>What is
trophoblast developments?</h3>
During early pregnancy, the membrane of cells that forms the wall of a blastocyst and also gives nourishment to the embryo before developing into part of the placenta.
Trophoblasts are cells that form the outer layer of a blastocyst and supply nourishment to the embryo before developing into a substantial portion of the placenta.
A thin layer of cells that assists a developing embryo in attaching to the uterine wall, protects the embryo, and becomes part of the placenta.
While the trophoblast eventually gives rise to the outer chorionic sac and the fetal component of the placenta, the pluriblast gives rise to all embryonic tissues as well as some extraembryonic membranes.
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The answer is C. because the civil war ended in 1865
Answer: Beginning in the 1970s and 80s, acid precipitation has impacted the Adirondacks ... Acidification is caused by emissions of sulfur dioxide and nitrogen oxide from the ... Like many amphibians, red-backed salamanders do not have lungs; instead, they ... According to studies, increasing soil acidity due to acid rain
Explanation:
They do not have lungs.
Answer:
<em>President Pro Tempore
</em>
Explanation:
<em>In the absence of the vice president, the Constitution provides for a President pro tempore to preside over the Senate. </em>
The President pro tempore has been included in the presidential line of succession with the exception of the years from 1886 to 1947.
A law of 1947 changed the order of succession to put the House Speaker in line following the vice president, followed by the president pro tempore, and then the Secretary of State and other cabinet officers in order to create their departments.