the last two answers are ecosystem and community

I NEED HELP with this problem !!! Which of the following choices are passive? (will give brainliest) A. They sought protection in the strongest-looking homes and structures they could find. B. and about 50 neighbors took refuge from the maelstrom. c. In what has frequently been described as the city's finest hour, (and last one) D. The two-fold project called for raising the grade of the entire city and building a seawall to help protect it. A black ant travels 9/8 inches in 1/2 minutes. What is the ant's speed in inches per minute? A taxi company states that a driver drives about 575 miles per day and that this amount can vary by as much as 45 miles. What are the maximum and minimum numbers of miles a driver will drive in a day? For a reader to - two or more things,the reader must consider how the things are different. A train is travelling east along a straight run of track at 54.0 km/hr. Inside, two siblings 1.90 m apart are playing catch directly across the aisle. The kid wearing a Catherine Wheel T-shirt throws the ball horizontally north. The ball crosses the train and is caught 1.05 s later by her little brother. (Ignore any effects of gravity or friction.) a) Find the magnitude of the ball's velocity from the little brother's point of view.b) What is the magnitude of the velocity of the ball as seen by someone standing still outside the train?c) What is the angle between the direction of the ball and the direction of the train as measured by someone standing still outside the train? y=-7x-2 through (-4,6)what is the equation in slope-intercept form? The Ka values for several weak acids are given below. Which acid (and its conjugate base) would be the best buffer at pH 3.7?a. MES: Ka 7.9 x 10b. HEPES; Ka 3.2 x 103c. Tris; Ka 6.3 x 109d. Formic acid: K 1.8 x 10e. Acetic acid: K 1.8 x 10 It's the early 1900s in Northern Mexico. One of the local banks has been robbed. The sheriff is offering a reward of 1,000 poses. Help the sheriff complete the description by typing in the Spanish words that are missing. ( Posted a picture) Point C is located at (2,8). If it is reflected across the x axis, where will C be located? Withdrawal symptoms are both physical and psychological responses to the absence of a given substance.OA TrueOBFalseResetNext Hi I really need help with these problem pls help .show your work Peter is a 17-year-old high school student who loves pizza. His parents own a pizza restaurant, so he works part-time in the kitchen and eats pizza nearly every day. Although hes a relatively tall kid at 6 feet, 1 inch, hes a little pudgy around the middle. His mom thinks hes too heavy at 210 pounds and shes worried that he might have high cholesterol. Hes also plagued with acne on his face, which makes him embarrassed to talk to girls. Peters taking nutrition and health classes in school and is starting to think a little differently about his diet. The old saying, "You are what you eat" has really made an impression on him as he cant help but think how the pizza has impacted his body and health. 1. When learning about how often some cells replenish themselves, Peter was encouraged to know that the some skin cells are essentially replaced every how many days? Which decimal is less than 0.8? 1 and 2 are vertical angles. If m1 = 64, find m2. I need help simplifying -10x-x Talia has 2red, 1 blue, and 4 green balls in the same size bag. What probability that talia would pull red out the bag. how would the invention of the telephone change people live P waves move can travel through liquid.true or false(TEST HELP!!!) PLEASE SEND HELP!!! I need to finish this test in 20 minutes.