Using The graph to answer 12 and 13. Number 14, 16, and 17 answer don't have to use graph. Please Help ASAP. NO LINKS OR FILES.
12- In The graph Below what events do these arrows mark? What happens during these events?

13- What event appears to have had the greatest impact? Explain your answer in terms of the Graph

14- What are two possible reasons why large poulations of organisms die?

16- Why did new and existing aquatic organisms flourish during the Mesozoic era? Use The terms glaciers, Pangaea, and sea level in your explanation.

17- Approximately how long did Precambrian time last?

A- 0.5 Billion years

B- 3.5 Billion years

C- 4.0 Billion years

D- 4.25 Billion years

NO ANSWERING WITH LINKHURRY Identify the Lewis base in this balanced equation: 6 upper H subscript 2 upper O plus UPper C r (upper H subscript 2 upper O) subscript 6 superscript 3 plus. H2O Cr3+ Cr(H2O)63+ Al resolver la suma de + 5/4 obtenemos como resultado Is this correct???Im really worried this is a test worth 100 points?? Pls help if I made a mistake!!??? Which expression is equivalent to 5 (4x+3)-2 PLEASE HELP ME WITH THIS BIOLOGY QUESTIONN :)) THANK YOUU patty sells real estate. The sale prices of the last 18 homes she sold are listed below:215,000, 195,000, 300,000, 285,000, 265,000, 180,000, 420,000, 225,000, 279,000,260,000, 310,000, 315,000, 288,000, 235,000, 190,000, 320,000, 295,000, 345,000A. Find the minimum and maximum values in the data set. What would be a reasonable interval width to use for this data set?B. Use your interval width in #8 to create a frequency table for the data set.C. Use your frequency table in #9 to create a histogram of the data set. Be sure to label both axes. What types of conditions did george Swanson starling face in the south Which of the following relationships is most similar to the relationship below?game : play A. trip : vacation B. use : energy C. kind : person D. bike : ride Find the value of x for the right triangle.4510 Need Help!The 12 students in the Environmental Club represent 10% of the students in the seventh grade. How many students are in the seventh grade? A biologist found the wingspans of a group of monary butterflies to be normally distributed with a mean of 52.5 mm and a standard deviation of 2.5 mm. What percent of the butterflies had the following wingspans? A. Less than 48.9 mm B. Between 49 and 55 write a short note on Mars. "A man with no enemies is a man with no character" does anybody know the meaning to this quote?? Some states are more interested in cooperating with the federal government than others are. Some states are more interested in cooperating with the federal government than others are. A Some states prioritize freedom of the press over criminal prosecutions. Some states prioritize freedom of the press over criminal prosecutions. B Some states receive more federal funding for shield law programs than other states do. Some states receive more federal funding for shield law programs than other states do. C Some states adhere to the exclusionary rule of the First Amendment more than other states do. A spinner has 6 sectors, half of which are red and half of which are black. If the radius of the spinner is 3 inches, what is the area of the red sectors? What is an effect of the Spanish arriving in Tenochtitln 2. To get Americans to eat more chicken, Baker had to make chicken A taste better B look different seem healthy D easier to cook what part of the rocket reaches space Suppose a Geographic Information Systems (GIS) research firm is approached by the state legislature and asked to provide data about vehicle movement within the state for all cars that can be tracked with direct GPS or through the owner's smartphone. Based on the movement of the cars (and phones) over a certain time, the police can decide when a car was speeding. They intend on using this data to send speeding tickets to those who moved too far, too fast. Also, if an underage driver spends too long parked by an adult only establishment, police will be notified to investigate. If you are the research firm, would you supply the data?