You have four bottles labeled 1, 2, 3, 4. each bottle has a white powder in it. the identities of the substances are held secret by the teacher. mr. sandstone wants you to try and experiment with the substances to figure out what they are. you add vinegar, a weak acid, to each white substance. the results are in the table provided. which substance is likely to be baking soda (sodium bicarbonate)?

Hannah is writing a report on how albedo affects the global climate. she’s proofreading her passage for any factual errors. which sentence must hannah correct before submitting her report? earth receives energy from the sun. this energy drives many of the processes on earth, including its climate. some part of this energy is reflected by earth’s surface. we use the term albedo to describe the reflected energy. albedo of an object is the ratio of the reflected radiation to the total radiation reaching the object. a value of 0 means no energy is absorbed by the object, whereas a value of 1 means that all of the energy is absorbed. in this way, the albedo of an object can influence earth’s atmospheric temperature.

Omg imgonnafailnfiedkla use complete sentences to explain how the mass of hydrogen is conserved during cellular respiration.

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption