Answer:
Mercury is the smallest planet, but its surface gravity is about the same as that of the much larger Mars because Mercury is more dense.
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The beginning of the Precambrian<span> period starts with the formation of Earth about 4.5 billion years ago and ends at the first sign of complex life about 540 million years ago. Though the </span>Precambrian<span> Period is often referred to as a period, it's actually the only supereon, which means that it spans multiple eons. The Precambrian is known as the geologic era. The Precambrian is the 1st era. hope that helped</span>
<span>Photosynthesis is the process in which plants and ther organisms sue the sun energy to produce chemical energy as a fuel in their boides. The process of photosynthesis is essential in the oxygen/carbon dioxide cycle. Photosynthesis removes carbo dioxide from the atmoshpere and procuces and releases oxygen into the atmosphere. (Answer C).</span>
Steel production in the United States is mostly used for:
<h3>What is Steel?</h3>
This is an alloy which contains iron and carbon that is typically used in engineering constructions.
In the United States of America, the steel production has been majorly used for the electrical furnaces which accounts for over 68% of total steel production.
Please note that your question is incomplete so I gave you a general overview so you can have a better understanding of the concept.,
Read more about steel production here:
brainly.com/question/7887917
A is on the 1600 contour line so it's 1600.
B. Y is on 1240
C. 360
