How do you know when an object is moving at a constant speed or a changing speed?

What chemical is used by the stomach to help dissolve food (specifically peptidebonds in protein)?hydrochloric acidamylasesulfuric acidO acetic acid Marco has 10 quarts of water and 20 cups of milk. How much liquid does he have in all?How do u solve it? somebody please help Sort the following statements based on whether demand is relatively elastic or relatively inelastic. There are four pairs of statements, each pair relating to a different determinant of demand elasticity. Which of the following can you infer from the information in the table below? Hominid species Evidence H. Neandertalensis Physical features include skeleton suited for upright walking, hands, and large brains. Burial sites contain artifacts like flowers, food, and weapons. All fossils found have been radiocarbon dated to be 130,000 to 35,000 years old. H. Sapiens Walk upright, have thumbs used for making tools. Large brains Bury their dead ceremonially. Fossils found in sediment layers containing volcanic ash crystals that are 195,000 years old H. Neandertalensis and H. Sapien were able to mate and produce offspring. H. Neandertalensis is not a direct ancestor of H. Sapien. H. Sapien is a hominid branch that will become an evolutionary dead end. H. Sapien and H. Neandertalensis did not occupy the same geographic region. When my phone is plugged into a 120 Volt outlet, it takes 20 minutes to fully charge it with 32kJ of energy. How much current if flowing through the charging cord?A) 0.13 AmpsB) 0.22 Amps C) 0.33 AmpsD) 0.64 Amps E) 13 AmpsF) 22 Amps G) 33 AmpsH) 64 AmpsThere is only one answer, please help! estimate the area of a circle with 28 cm A box contains 4 blue pens and 5 red pens. Gus randomly picks a pen from the box and keeps it. Then Emma picks a pen from the box and keeps it. What if the probability both students will pick a blue pen pls hurry and will give the brainiest Spiritual health in individual sports is described by all of the following statements EXCEPT: A. The individual feels a sense of purpose. B. It allows one to respectfully compete against others. C. It encourages an individual to learn to be a good winner or loser. D. It fulfills a need to connect with others. Please select the best answer from the choices provided. A B C D. H Bs !! 1) A car moves with a speed of 40 km/h for 15 mins and then with a speed of 60 km/h for next 15 mins . The total distance covered by the car is : _________ (a) 100km. (b) 25km(c) 15km. (d) 10km Don't spam Need Genuine Answer with Explanation . Question 8 of 13The table below represents the closing prices of stock ABC for the last fivedays. Using your calculator, what is the equation of linear regression that fitsthese data?Day12Value24.3123.3123.0123.1623.274Un5O A. y=-0.147x + 19.217O B. y=-0.223x + 24.081O c. y = 0.194x - 24.815O D. y=-0.237x + 25.139SUBMIT Identify the sentence type: Although fast food provides some of the cheapest and most convenient foods, it has also contributed to therising obesity rate in the United States and other countries.O SimpleO CompoundO ComplexO Compound-ComplexWhat is the answer? what is meant by rights of children? A) 3x - y = -4 5x - y = -8B) 3x - y = -4 5x + y = -8C) 3x + y = -4 5x - y = -8D) 3x + y = -4 5x + y = -8 Who has meet for Englishse. X Maria bought125pounds of lunch meat for $3.36. How much would234pounds of lunch meat cost? What does the underlined word mean in the following sentence? me gusta ms mirar la televisin que estudiar en el escritorio. Desk chair table t. V. Manny has volunteered to participate in an experiment studying vision. He has agreed to wear a pair of glasses that invert his vision. Due to _____, after about a week he is able to perform his usual tasks, like riding a bike or reading a book. 1. D 100 2. M 1 3. C 500 4. I 10 5. V 50 6. L 5 7. X 1,000 5/2=d-2/4 i need help with this please answer quickly