Pl asap will give ! the movement of rocks and soil is an example of erosion weathering deposition 2. how does alternate freezing and thawing of water cause weathering to occur? freezing chemically alters the rock surfaces water expands when it freezes and cracks rocks open thawing causes rock particles to move from place to place 3. how can you determine if a mountain valley has been created by a glacier? it is v-shaped it is u-shaped it is irregularly shaped (answer if you know the right answer)

What mass of carbon dioxide is produced from the complete combustion of 4.50×10−3 g of methane?

Starch and are common polysaccharide carbohydrates found in plants. sucrose glycogen fructose cellulose

7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation. 8. when a 2.5 mol of sugar (c12h22o11) are added to a certain amount of water the boiling point is raised by 1 celsius degree. if 2.5 mol of aluminum nitrate is added to the same amount of water, by how much will the boiling point be changed? show all calculations leading to your answer or use 3 – 4 sentences to explain your answer. 9. if 5.40 kcal of heat is added to 1.00 kg of water at 100⁰c, how much steam at 100⁰c is produced? show all calculations leading to an answer. 10. the freezing of water at 0⁰c can be represented as follows: h2o (l) ↔ h2o(s) the density of liquid water is 1.00 g/cm3. the density of ice is 0.92 g/cm3. in 3 – 4 sentences explain why applying pressure causes ice to melt.