Which scientist is credited with having the greatest contribution to early microscopy and was the first to observe and describe single-celled organisms?

2 ptsSammy wants to buy a new stereo priced at $439. He enters into an agreement to pay$22 a month for 24 months. How much will the finance charge be for this purchase?State your answer in terms of dollars rounded to the nearest cent (hundredth). which of the following sentence ls use active voice which term refers to the mix of nations, economies, and cultures? Question 27Fred weighs 150 lbs and expends 5.2 calories per minute walking at a brisk pace. Howmany calories would Fred burn is he walked for 60 minutes Find an equation of a line perpendicular to the given line and contains the given point. Write the equation in slope-intercept form.y = ? the weight of a box having of 100 kg is __n Make aclaim about whether a mixture could be madeup of only elements and no compounds.Summarize evidence to support the claim andexplain your reasoning. The use of marijuana while drinking alcohollowers the BAC of the driver causing some impairment of driving abilitydoes not affect driving ability may affect driving ability if both substances are taken in abundanceimpairs driving beyond that usually related to the BAC of alcohol WILL GIVE BRAINLIEST AND I SWEAR TO GOD IF ONE MORE BOT ANSWERS AND MAKES IT TO WHERE NO ONE ELSE CAN ANSWEROne challenge of federalism is that power and authority are concentrated in the central government and can take away peoples rights sometimes officials from different levels of government disagree on who should be in charge of a situation local governments have the most power, which creates problems for trade with other nations officials from state governments have too many rules to follow to be effective leaders According to the speaker, what two roles does the soulplay?friend and spyfriend and enemyenemy and treasonenemy and sovereignIts Friends and spy Help with this problem pls! how many yards are there in 2 miles Help I have a C in math. I don't understand this Alegbra. If you get it right then I will give you Brainlist!I know I already got the right answer so please give an explanation too! Your private gas collection consists of the four following gases, with each gas in a separate container, and exactly 1.0 g of each gas: CO2(g). Ne (g), Cl2(g), and H2S (g). Which of your prized gases occupies the smallest volume at standard temperature and pressure (STP)?H2S (g)CO2 (g)Cl2 (g)Ne (g) 3 t-shirts cost 25.95. How much do 10 t-shirts cost? Describe how has Manchester United implemented each element of the marketing mix?Do you think Manchester United has been successful in integrating those components? Why or why not?How has the marketing mix helped Manchester United in branding their franchise? Simplify to the form of a square root of b What is the net force needed to accelerate a 1 kg textbook with an acceleration of4 m/s2 how many miles did Candice bike on her route? Which sentence uses commas correctly?A) Yesterday we went to the grocery store, the park, and thegym.B) Yesterday we went to the grocery store, the park and the gym.C) Yesterday we went to the grocery store, the park, the gym.D) Yesterday we went to the grocery store the park, and the gym.