whats is the age requirement to carry a knife

Part AWhich structure does the author use to organize information in the text Water Efficiency Strategies? A The author shares chronological instructions for managing water efficiency. B The author explains events that caused a need for water efficiency systems. C The author compares and contrasts multiple water efficiency systems and practices. D The author provides several solutions for efficient and sustainable water systems.ANSWER REALLY FAST I WILL MARK BRAINLIEST WORTH 32 POINTS Jensen goes to the store with $4. He buys 3 pencils for $0.70 each andsome erasers. Each eraser costs $0.50. Enter the maximum number oferasers he can buy. a serving of crackers has 1.5 grams of fat. How many grams of fat are in 3.75 servings Global climate change is a result of human activity? What type of symmetrys are shown? Find the HCF of 12 and 16 In Atom, what is a heavier sub-atomic particle than the others and explain why The difference of the product of 7 and w, and the quotient of 2 and v. write an analytical, open-ended discussion question about The Alchemist and answer your own question in 3-4 sentences in which of the following situations would audio and a photograph be the best choice?A. When you have done a good job sounding like a famous actor or singerB. When you feel the music would make a good transition between portions of your presentationC. When you have a photo and a recording of a famous person giving a speechD. When you have a good recording of an actor reading a book aloud An aluminum-alloy rod has a length of 10.0 cm at 20C and a length of 10.015 cm at the boiling point of water (1000C). (a) What is the length of the rod at the freezing point of water (0 0C)? (b) What is the temperature if the length of the rod is 10.009 cm? /4mks (MC)John wants to use a camera lens that will reproduce an image that is like what the human eye would see, without distortion or minimizing thescene that he is shooting. Which camera lens would be the best choice for this?O 300 mmO 30 mmO 50 mmO 120 mm What is the range of the function graphed below? 2. WHAT IS THE BEST ADVICE FOR DRIVING WHEN HEAVY FOG, DUST, O2 PRECIPITATION OCCURS? PLEASE I NEED HELP I DONT UNDERSTAND HOW TO DO ILL GIVW MORE IF RIGHT Chin purchases five protein bars at a price of $3 each. The marginal benefit he receives from each bar is $5 for the first bar, $4.50 for the second bar, $4 for the third bar, $3.50 for the fourth bar, and $3 for the fifth bar. The marginal cost of producing the bars is $2 each. What is Chin's total consumer surplus from the five bars that he purchased please help me!a) 280in2b) 300in2c) 150in2d) 100in2 Scientists observed that the populations of top-level consumers in a particular ecosystem were rapidly decreasing. Further studies revealed that there was also a decline in producer productivity. Which other changes did the scientists most likely observe in the ecosystem?increased producer diversitydecreased population size at all levelsdecreased primary consumer populations onlyincreased primary and secondary consumer diversity If 2x + 4 = 10. What is the value of x PLEASE HELP MEEEEEEEEEEEEE