-- To increase the frictional force between the two surfaces, press them together
harder, or rough up the area of contact with sandpaper or dirt.
-- To decrease the frictional force between two surfaces, decrease the force
with which they press together, or smooth (polish) the area where their surfaces
contact, or make the area <em>seem</em> smoother by lubricating it with grease, oil, air,
or smooth leaves.
Answer:
The volume of air needed is 603 cm³.
Explanation:
In general, basketball has a size of a sphere, so you have to find the volume of sphere using the formula :






Well first i need some choices but i would have to say
<span>C ) A surveyor provides close readings of land elevations.</span>
Answer: The biogeographic Amazon ranges from 7.76-8.24 million sq km (3-3.2 million sq mi), of which just over 80 percent is forested. For comparison, the land area of the United States (including Alaska and Hawaii) is 9,629,091 square kilometers (3,717,811 sq km). Nearly two-thirds of the Amazon lies in Brazil.
Explanation: