state 3 examples of human activities that could endanger Botana Curus
In the figure below, a man is trying to get his car out of mud on the shoulder of a road. He ties one end of a rope tightly around the front bumper and the other end tightly around a utility pole a distance d away. He then pushes sideways on the rope at its […]
o meet energy regulations, the coefficient of performance of cooling of a refrigerator that operates on a Carnot cycle must be 4.00. At what rate is this refrigerator expelling thermal energy into the kitchen if it consumes electrical energy at a rate of 245 W ? dQdt =
i was needing help to answer this one please. Here are the questions. A12: Lunar and Solar Eclipses Question 1: Why is an eclipse (lunar in this case) not possible at this time? Question 2: What is the phase of the Moon during a solar eclipse? Hint: Zoom in for a closer view of the […]
Scenario 1 – Mrs Chan Mrs Chan has been bought in by ambulance following a fall at home, where she fractured her hip. She believes she fell around 10pm last night, and was unable to get up to seek help. Her daughter found her still on the floor this morning at 6.00am and called the […]
Mrs Chan has been prescribed an IV solution of normal saline, which contains sodium chloride and water.
Question 13. Describe the steps involved in homeostasis of respiratory rate – include the following in your answer (200 words): (a) Name two (2) respiratory gases detected in the blood? (b) Where is the respiratory control centre located? What is the stimulus that causes the respiratory control centre to increase respiratory rate? (c) Why would the patient have […]
Trace the changing temperature of the atmosphere from Earth’s surface to the top of the thermosphere.
What’s the difference between a reflecting and refracting telescope?
explain lewis concept of acid & base?
