how does a glacier, at its base and sides, modify a bedrock valley?

Answers

Answer 1

Answer:

They can erode bedrock by two different processes: Abrasion: The ice at the bottom of a glacier is not clean but usually has bits of rock, sediment, and debris. It is rough, like sandpaper. As a glacier flows downslope, it drags the rock, sediment, and debris in its basal ice over the bedrock beneath it, grinding it


Related Questions

Other Questions
Find the measure of each missing angle. a || b Richards cumulative gpa for 3 semesters was 2. 0 for 42 credits. His fourth semester gpa was 4. 0 for 14 course units. What is richards cumulative gpa for all 4 semesters?. Which of the following is true of Earths atmosphere?A. It is mostly made up CO2. B. It gets more dense as you go higher in altitude.C. It has more nitrogen than oxygen.D. No one has ever been above it. The Iran-Contra Affair was a complicated arrangement that allowed the United States to bypass its own agreements to achieve its objectives.The phrases below describe actions taken during the Iran-Contra Affair. Match each action to the correct person or entity.ContrasOliver NorthSandinistasIranPresident Reaganoverthrew Nicaraguan government in 1979arrowRightguerilla fighters battling new leftist Nicaraguan governmentarrowRightdirectly oversaw the transfer of funds from arms sales to Nicaraguan rebelsarrowRight . in this activity, you will be looking for a relationship between the force on the cart and the acceleration of the cart. which variable do you need to keep constant during this experiment? 2. As a shot putter in track, you want to throw as far as you can. You as the coach give yourbest advice based on the Physics you learned. Give 2 suggestions to help your student andexplain why? (6 Pts.) in the book ghost what is the significance of each chapter title Determine the value of x and the indicated angle measure. I understand the concept of solving for x usually and solving the missing angle but I could use some help with this one. I'm stuck!Please and thanks! ^_^ find the mass and center of mass of a solid hemisphere of radius if the density at any point is proportional to its distance from the base. A new bank customer with $3,000 wants to open a money market account. The bank is offering a simple interest rate of 1.4% What will the account balance be after 10 years deposited $8500 into a savings account 3 years ago. The simple interest rate is 2%. How much money did marsha earn in interest? A rectangle's length is 5.1 more than 2 times its width. Its perimeter is 165.6. Write and solve a system of equations to find the dimensions of the rectangle.Type the area of the rectangle, rounded to the nearest tenth. Men continue to dominate corporate America. In 2010, less than __________ percent of the highest-earning executives in Fortune 500 companies were women.a. 1b. 3c. 5d. 8 Renald expects his child to have all smiley faces (positive marks) on his weekly preschool progress report.less-than-perfect report.Renald doesn't reward his son for a good report, but will punish him for aWhich term best describesRenald's parenting style?EgalitarianPermissiveAggravativeAuthoritarian Please help me Ill make u brainliest After the reintroduction of gray wolves (1) to Yellowstone and, as anticipated, their killing of deer, trees grew beyond the deer stunt of the midcentury. In their up reach songbirds nested, who scattered (5) seed for underbrush, and in that coverwarren nara Meace and water chrewreturned, also rodent, and came soon nawk and falcon, bald eagle, and with them hawk shadow, falcon shadow. Eagle shade (10) and small falcon shade haunted newly-berriedrunnels where mule deer no longer rummaged, cautiousof being surprised by wolves. Berriesbrought bear, while undergrowth and willows, growing now right down to the river, brought beavers, (15) who dam. Muskrats came to the dams, and tadpoles.Came, too, the night song of the fathers of tadpoles. With water insects, the dark gray American dipper bobbed in fresh poolsof the river, and fish stayed, and the bear, who (20) fished, also culled deer fawns and to their kill scraps came vulture and coyote, long gone in the regionuntil now, and their droppings scattered seed, and moretrees, brush, and berries grew up along the riverthat had run straight and so flooded but thus dammed, (25) compelled to meander, is less prone to overrun. Don't you tell me this is not the same as my story. All thislife born from one hungry animal, this whole, new landscape, the course of the river changed,I know this. I reintroduced myself to myself, this time (30)a mother. After which, nothing was ever the same.2. How does the phrase "All this / life born from one hungry animal" help the reader to better understand the message in the poem? (Lines 27-28)A. It reveals how nature is all connected.B. It describes the way a wolf raises her young.C. It illustrates how important food is for animals.D. It highlights how important it is to protect animals.3. What do lines 30-31 reveal about the speaker?A. The speaker is very proud of her child.B. The speaker finds motherhood difficult.C. The speaker was transformed by motherhood.D. The speaker is determined to become a mother.4. Which lines from the poem best demonstrate how the speaker is similar to the environment she describes?A. "In their up reach/ songbirds nested, who scattered / seed for underbrush" (Lines 4-6)B. "Came, too, the night song of the fathers / of tadpoles." (Lines 17-18)C. "to their kill scraps / came vulture and coyote, long gone in the region" (Lines 21-22)D. "this whole, / new landscape, the course of the river changed, / I know this." (Lines 28-30)5. What is revealed about the speaker at the end of the poem?A. She is a motherB. She fears gray wolvesC. She wants a childD. She loves Yellowstone6. After reading the poem "Trophic Cascade," how does the poem's structure support the message that "nature is all connected?" It is difficult for the federal government to cut overall spending to help balance the budget because _____. Factor each sum or difference of cubesa) 8-1/8a^3b) 1/64m^3+1000c) 125a^3-64b^3d) 1/27x^3+1/125y^3Write each polynomial as the square of a binomial as an expression opposite to the square of a binomiale) 0.25x^2-0.6xy+0.36y^2f) -a^2+0.6a-0.09g) 9/16a^4+a^3+4/9a^2 how should a complaint message begin? What policy toward American Indians did the federal government adopt in the nineteenth century? The government encouraged trade with American Indian nations so that all sides could economically benefit.The government made enduring treaties so that both the United States and American Indian nations benefited.The government supported assimilation by providing American Indians with many opportunities on reservations.The government sought to destroy traditional American Indian cultures by forcing the people to assimilate. A compound conditional is a type of selection that uses statements with ____________ or more logical conditions.