Answer:
Same, 50N
Explanation:
According to Newton's third law, any force exerted on an object is exerted back with the same magnitude. The magnitude of the action force is the same as the magnitude of the reaction force. In the example, the chair would be pushing back with a magnitude of 50N.
I hope this answer helps.
Simple diffusion is the concept of a substance moving from an area of high concentration to a lower concentration without energy input. Because the plasma membrane is made of lipids which are non-polar, this membrane readily allows non-polar substances to diffuse through easily. If a substance has a charge like that of an ion, it will be difficult for the ion to cross the plasma membrane through simple diffusion. The answer should be B.
Plants roots display positive gravitropism which means they grow in the direction of gravity
The cell membrane is made of two layer of phospholipid called phospholipid bilayer. Phospholipid has a hydrophilic head and hydrophobic tail. The hydrophilic head stick out on the membrane, pushing polar substance that go inside. Hydrophobic substance would be easily pass through the membrane while the hydrophilic doesn't.
If the active form of this drug is polar, then the substance would be hydrophilic. The drug should pass the membrane through active transport like carrier mediated transport or endocytosis.
Answer: (A) Primary landform: island, secoundary landform: beach gully.
Explanation: When waves crash, onshore they can make a significant impact on the landscape by shifting entire islands of sand and carving out rocky coastlines. Storm waves can even move boulders the size of cars above the high tide line, leaving massive boulder hundreds of feet inland. Wind is not the only cause of wild waves even tsunamis do, a tsunami is a wave created by a disturbance that displaces a large amount of water, like an earthquake or a landslide, and they often occur in clusters or sets.
