All of the following are reasons why engraving can be difficult, except which? a. Engraving requires a lot of pressure to be applied to the tool as it glides across the metal surface and the time it takes to complete. b. Many artists struggle with the sound the tool makes while etching on metal. c. Before beginning the engraving, the artist must apply a thin layer of acid to the metal surface on which the engraving will be done. d. When an artist creates an engraving, he must plan it carefully because mistakes cannot be corrected.

Which graph is an inverse graph? What is another name of the activation energy barrier in a reaction? the excretory organs found in flat worms and earthworms are called What features signifies to astronomers that a distant star is part of a planetary system A) the star periodically dimsB) the star expands into a red giantC)the star moves through the skyD) the star continuously gets brighter The longest side of an acute triangle measures 30inches. The two remaining sides are congruent, but their length is unknown. What is the smallest possible perimeter of the triangle, rounded out the nearest hundredth Why did American leaders want to draft a national constitution in 1776? It would force Britain to recognize their independence. The Second Continental Congress had no legal authority as a national government. A national constitution would provide an example for the state constitutions. What do you think might happen as a result of the inability of the continental congress to pay its debts? 3.Mike and Beth are saving money to go to Disneyworld. They need at least $1975 in order to go. Mike mows yards and Beth will wash cars to raise money. Mike charges $25 each time he mows a yard and Beth charges $15 for each car she washes. The number of cars that Beth wash is no more than four times the number of lawns Mike has scheduled to mow. Beth will wash at least 50 cars. Write a set of constraints to model the problem, with x representing the number of lawns mowed and y representing the number of dogs walked. Answer: What is the purpose of cellular respiration?remove carbon dioxideproduce glucoseproduce usable energy - ATPmake oxygen Dalia is a botanist. She wants to model the growth rate of the patch of ground that is covered by a certain plant as time passes. What would be an appropriate unit for Dalia's purpose? Factor the expression over the complex numbers.x^2+25 rewrite the expression using addition -17.9 - 4.2 Please help on this one What are the 5 steps to analyzing an argument An adult sleeps about 480 minutes per day. An infant sleeps about 820 minutes per day. About how many more minutes does an infant sleep than an adult. in one week? Solve. the problem two different ways. Which function is performed by both state and federal governments? Plz Help will vote brainliest if u give the right answer... 70%, 2/3, 0.62, 13/20, 0.6 smallest too largest Describe three values that the biosphere provides Daniel brought 2.75 pounds of Spanish fried rice to a family dinner. During the meal, Daniel and his family ate 1.25 pounds of rice. At the end, Daniel's friend took home half of the rice that was left after dinnerDaniel brought 2.75 pounds of Spanish fried rice to a family dinner. During the meal, Daniel and his family ate 1.25 pounds of rice. At the end, Daniel's friend took home half of the rice that was left after dinner