Tear one off and scratch my head. What once was red is black instead. What am I?

No spammers pls giving brainliest 2. Why has there been a decrease in physical activity and rise in the intake of high calorie foods over the last 30 years? Mia has four aquatic plants of same size and species.She submerges each plant in a separate filled with 200 ml of water. She then sets beaker under a different intensity of light.Mia observes that, the plant in the beaker under the most intense light gives off the gas bubbles in 20 min period. Which of the statements best explains Mias observation Factors of EmotionOnline Content ActiveClick to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to viewadditional questions.Individualism vs. CollectivismAccording to the article, what are some examples of collectivism within an individualistic society? Which occurs every time there is an earthquake? When was the first analog device, the phonautograph, launched?The phonautograph was the first analog device; it launched in _____. A graph titled Fast Freddy has time (minutes) on the x-axis and Distance (miles) on the y-axis. A line goes through points (0, 0) and (4, 1). A 2-column table with 3 rows titled Speed Sam. Column 1 is labeled Time (minutes) x with entries 4, 20, 32. Column 2 is labeled Distance (miles) y with entries one-half, 2 and one-half, 4.Find the slope from the graph and from the table to compare the speeds of two marathon runners.What is the constant speed of Fast Freddy?What is the constant speed of Speedy Sam?Who ran faster? Which of the following questions would help to shed light on Venus' motives for persecuting Psyche?How does Cupid assist Psyche in her tasks?How does Venus' treatment of Psyche compare to her treatment of Cupid?How could Venus deny Cupid the happiness he feels when he is with Psyche?What tasks did Venus give Psyche to complete? Banks that have some financial difficulty and borrow from the Federal Reserve in what is known as secondary credit will pay an interest rate equal to the How do you find the answer for surface area? Commanders at all levels need to set expectations and a framework of _________________________ to ensure the ethical conduct of all personnel associated with the procurement process Read the following excerpt from Julia Ortiz Cofers poem "El Olvido." It is dangerous to spurn the clothes you were born to wear for the sake of fashion; dangerous to use weapons and sharp instruments you are not familiar with; dangerous to disdain the plaster saints before which your mother kneels praying with embarrassing fervor that you survive in the place you have chosen to live: The items listed in this excerpt symbolizea the ways of life that are unfamiliar to the speaker. b the fervent religious beliefs of the speakers mother.c the speakers desire to forget embarrassing traditions. d the traditions and customs of the speakers native land. PLS HELP FAST !!! The chart below shows the results of survey taken by a movie theater. The theater asked what genre the mover goers preferred to see. If the theater owner asked 100 people, how many people would prefer Drama? Round to the nearest whole number Why was Martha happy when she saw Mary?Question 1 options:Mary looked healthy and ate well.Mary brought home the robin.Mary gave her some flowers.Mary skipped very well. Suppose that 19 inches of wire costs 76 cents. At the same rate, how much (in cents) will 14 inches of wire cost? The track-and-field coach wants to know whether the students in the entire school prefer track races or field events. The coach draws a random sample from the following groups:All students in each gradeAll teachers in the schoolAll boys in each grade in the schoolAll students on the track-and-field teamWhich group best represents the population she should take a random sample from to get the best results for her survey? A ball has a mass of 3g and a volume of 6 cm3. It's density is what and will it float or sinkin water. Why does the heart automatically adjust the flow of blood to match activity levels?A.Extreme activity damages blood cells and the body needs replacements.B.The heart requires more oxygen when exercising.C.It reduces the level of oxygen in the blood.D.Organs and muscles require more blood under stress. if a=3,b=1 and c= 2,3ac-4c/ 5ab can someone explain feudalism in europe, pls