What mass of naoh would need to be dissolved in 500. 0 ml of water to produce a solution with a ph of 12. 40?.

Break down of rocks and minerals into smaller particles without a change in composition is called_

These two squirrels live in the same ecosystem. what type of interaction do the images represent? a. direct competition b. mutualism c. interference competition d. symbiotic e. indirect competition

Sweater originally priced at $65 is on sale for 15% off. you also have a coupon that takes another $10 off. what percent of the original price do you pay?