Anytime that a substance changes size, shape, or temperature it would be considered a change. But, if it changed properties such as its density, pH, or how it reacts with other substances it is most likely a change

In the human body fibrinogen is necessary for sealing cuts and stopping the loss of blood. since fibrinogen is made of chains of amino acids it is an example of which type of organic molecule

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !

Which of the following best describes gluconeogenesis? -creation of glycogen from glucose-breakdown of glycogen into glucose-conversion of glucose to fat-synthesis of glucose from noncarbohydrate sources