The half-life of carbon-14 is about ____________ years.

Fill in the blank.

Rewrite the expression in the form a^n are these two photos the same? or is there a difference? Which conjugation isnt correct?yo _______hagosalgooygo vengo HELP ME ASAP PLZ !!!!!!! Select the correct answerGiving brainliest Sketch a 9 red counters and 4 yellow counters.How many zero pairs can you make?How many counters do you have after you remove the zero pairs? What do they represent Which structures do historians believe influenced the design of early pyramids in Egypt?a)ziggurats of Mesopotamiab)obelisks of Nubiac)coliseums of Romed)palaces of China mice & men chapter 4 characters Andre and Elena are solving this system of equations. Y=3xY=9x-30Andres first step is to create a new system:3y=9xY=9x-30Do you agree with either first step?A-both strategies workB-only the first strategy worksC-only the second strategy worksD-neither strategies work. What is the percent increase ???? Help please The space shuttle design team spent two years working with sketches and models before building the shuttle. Why were these steps important? 1.Sketches and models allowed for the design to be modified before investing huge amounts of time and money to build the actual shuttle.2.Sketches and models allowed for many different astronauts to provide input on the design of the shuttle before investing money in the actual shuttle.3.Sketches and models helped astronauts in their training program as they prepared for their missions. Choose all the answers that apply.Which of the following are types of changes that can happen in the rock cycle?igneous to sedimentarymetamorphic to sedimentaryigneous to metamorphicsedimentary to metamorphicmetamorphic to metamorphic what two numbers multiply to -36 and add up to 5 Please help fast!! Is this a function? ___is a type of communication that uses bodily movements. sergio must ride 7.5 miles in 1/4 hour to achieve this target speed, so he needs to ride an additional ____ mile per 1/4 hour GIVING BRAINLIEST TO FIRST GOOD ANSWER! A LOT OF POINTS PLS ADD EXPLANATION MARINE SCIENCE A scientist wants to test whether the pH, salinity, or temperature of seawater impacts coral development. He sets up an experiment with three conditions:Aquarium 1: Normal pH, normal salinity, normal temperatureAquarium 2: High pH, high salinity, high temperatureAquarium 3: Low pH, low salinity, low temperatureWhat factor would improve experimental design the most? (3 points)Select one:a. Eliminating Aquarium 1 since it only uses normal conditionsb. Testing one variable at a time and keeping the other two variables constantc. Using one aquarium and changing the variables from day to dayd. Setting up the variables on a gradient in each aquarium a long walk to water chapter 6 summary? A student wants to investigate competition between two organisms. For the investigation, itis most important that the student should choose organisms thatO require the same resources.O reproduce at the same rate.O are both active during the day.o have the same adaptations.(help please!!! due today!!!) PLZ HELP IM TIMEDDDRead the excerpt from The Diary of Anne Frank.Anne. Mouschi! Mouschi! Mouschi! (She picks up the cat, walking away with it. To Peter) I love cats. I have one . . . a darling little cat. But they made me leave her behind. I left some food and a note for the neighbors to take care of her . . . I'm going to miss her terribly. What is yours? A him or a her?Peter. He's a tom. He doesn't like strangers. (He takes the cat from her, putting it back in its carrier.)Anne (Unabashed). Then I'll have to stop being a stranger, won't I? What does this dialogue reveal about Anne?A.She is stubborn and impolite.B.She is clever and confident.C.She is quiet and understanding.D.She is sad and confused.