Calculate the number of kilojoules to warm 125 grams of iron from 23.5 degrees celcius to 78 degrees celcius

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate

Need asap question 1 minerals are organic compounds. true false question 2 what vitamin can be found in foods like oranges, grapefruits, and broccoli? a. vitamin a b. vitamin k c.vitamin c d. vitamin d question 3 what are minerals? a. chemical elements that are needed for body processes. b. organic compounds that the body needs in small amounts to function properly. c. small molecules used to build proteins. d. an organic compound that is insoluble in water and includes fats. question 4 how many types of vitamins does the human body need? a. 15 b. 11 c. 13 d. 17 question 5 vitamins are a good source of energy. true false