which of the following elements has properties different than the rest?

Ac
Co
Cu
Sc​

1- What are drug interactions, and how can drug interactions be dangerous ? 2- What advice would you give a teammate who is thinking about using her mom's painmedicine for an injury? Why did European nations want to expand into China?A.to spread ideas like democracy B.to learn about the culture thereC.to stop other countries trade dealsD.to increase their influence in the world Calculate the mass of an object given a net force of 5N right and anacceleration of 5 m/s2 right. Bill is playing a board game that has a spinner divided into equal sections numbered 1 to 20.The probability of the spinner landing on an even number or a multiple of 5 is?Select one:a. 12/20b. 3/5c. 7/15d. 1/5 HELPP PLZZZ I put a picture CAN ANYBODY DO THESE Karla y t a la zapatera A. fuiste B. fui C. fueron D.fue E.fuimos You (50 kg) are standing on a skateboard when your friend throws a 5 kg ball at 10 m/s towards your head. You catch the ball to save your face. Describe your motion after you catch the ball, use numbers. What was the purpose of the Crusades? 6Holy wars fought between Muslims and BuddhistsHoly wars fought between Christians and MuslimsO Holy wars fought between Christians and RomansHoly wars fought between Vikings and Muslims What is the final screen of computer called pleeeeeeeeeze help Which three lines in this excerpt from Susan Glaspells A Jury of Her Peers contribute to the storys setting?When Martha Hale opened the storm-door and got a cut of the north wind, she ran back for her big woolen scarf. As she hurriedly wound that round her head her eye made a scandalized sweep of her kitchen. It was no ordinary thing that called her awayit was probably further from ordinary than anything that had ever happened in Dickson County. But what her eye took in was that her kitchen was in no shape for leaving: her bread all ready for mixing, half the flour sifted and half unsifted.She hated to see things half done; but she had been at that when the team from town stopped to get Mr. Hale, and then the sheriff came running in to say his wife wished Mrs. Hale would come tooadding, with a grin, that he guessed she was getting scary and wanted another woman along. So she had dropped everything right where it was."Martha!" now came her husband's impatient voice. "Don't keep folks waiting out here in the cold." Round 11,900 to the nearest thousand.5 stars for a correct answer. Bill and Jill both exercise on Monday, January 1. Bill exercises every 5th day, and Jill exercises every 4th day. What is the next date on which Bill and Jill both exercise? Alex donated cans of food to support people who were in need offood. Which Pillar of Islam, described by the Qur'an, did Alexfollow?Select one:fastingfaithpilgrimagealms A circuit consists of a 12 V battery connected across a single resistor. If the current in the circuit is3 A, calculate the size of the resistor When Ms. Lawrence goes to the doctors office, they have patients wait 30 minutes. She found a new doctor that has 15% less wait time. What is the wait time at the new doctors office?Does anyone know the answer?? Idk how to solve A 100-point math test contained true/false questions worth 3 points each and short answer questions worth 11 points each. If there are 4 true/false questions, how many short answer questions are there? Here is the rest peoples. Correct the mistake7.089 = 7.0891011. 7.08910 2. 7.0891003. 7.0891024. None Explain the difference between an epidemiologist and a health educator.