Answer: Astronomers improved on Reber’s radio telescope and discovered the sources of the radio energy signals he mapped.
Explanation:
That was the right answer on the test.
During the fourth week of prenatal development, the urogenital system becomes apparent, and Leg buds emerge.
This is further explained below.
<h3>What is prenatal development?</h3>
Generally, During the gestation period of a viviparous mammal, both the embryo and the fetus undergo growth, which is referred to as prenatal development.
Fertilization, which marks the beginning of the germination stage of embryogenesis, is followed by the continuation of development in the fetal stage, which lasts until delivery.
In conclusion, The urogenital system starts to become visible around the fourth week of fetal development, at the same time as leg buds start to form.
Read more about the urogenital system
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The correct answer is <em>option 2. Expressed powers. </em>In section 8 of the Constitution of the United States, there is a list of the 27 powers that the Congress has. They are all called "Expressed Powers" because they are written down in the constitution, there is no need to imply them because they are already physically expressed in Section 8 of the US Constitution.
One of the Expressed power of Congress is to coin money. The term is defined as the ability to stamp a piece of gold, silver or other metal in order to determine its value. This is to say, the power of printing and stating the value of money.
