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How does a vascular plants xylem differ from its phloem?
Only flows in one direction
What does high pressure move towards?
Air always flows from High Pressure towards Low Pressure. Wind is caused by the pressure gradient difference. In a high pressure system, within the Northern Hemisphere, air flows clockwise, outwards and downwards; in a low pressure system (in the NH), air flows anti-clockwise, inwards and upwards.
How does volcanoes affect property?
Volcanoes can significantly impact property through lava flows, ash fall, and pyroclastic flows, which can destroy homes, infrastructure, and agricultural land. Ash can contaminate water supplies, damage roofs, and create hazardous conditions for air travel. The eruption may also lead to long-term economic consequences, as areas may become uninhabitable or require expensive cleanup and reconstruction efforts. Additionally, insurance costs can rise, and property values may decline in affected regions.
What is the name of the thickness property of a fluid that creates boundary layers and shear stress?
The above description relates to viscosity.
Are lava flows the greatest hazard of volcanoes?
No. The most dangerous products of volcanic eruptions are pyroclastic flows. While lava flows can be very destructive, they generally move slowly and can only move downhill. Pyroclastic flows avalanche-like clouds of hot ash, rock, and gas. They move very quickly, often exceeding 100 miles per hour, leaving little chance of escape. Their great momentum means that they can cross valleys, hills, and ridges that would stop or redirect lava flows.
When water flows upwards?
well
What is magma pushed upwards from the core of the earth and flows through openings called?
lava
Why does the nile flow upward?
The river does not flow upwards. The Earth is round, the Nile simply flows South to North - on a map it just looks like it flows "upward"
Is flows easily a physical property of magma from a explosive eruption?
no
How does a volcano eruption form?
the techtonic plates collide together making one side push upwards out of the ground and then the lava flows out
How are phosphorus incorporated into the organic molecules in plants and animals?
Flows out of water into plants that are consumed by animals
What are the effects of volcanoes on plant life?
Pyroclastic flows and lava flows can burn and bury plants. Plants can also be killed by poisonous gasses. Fresh volcanic ash can kill plants as well. However, the soil around volcanoes is often very fertile, so plants grow easily.
Oil flows upward in the wick of a lantern because of the liquid property called?
capillarity
Oil flows upward in wick of a lantern because of the liquid property called?
capillarity
What is unidirectional property of diode. Mention its uses?
the current flows in one direction only
What is the property of flowing slowly in liquids?
The property of flowing very slowly in liquid is called viscosity. A liquid with high viscosity flows very slowly, like syrup or tar. A liquid with low viscosity flows quickly, like water.
What is the direction of flow of water in xylem and food in phloem?
Water flows upwards in xylem from the roots to the leaves due to transpiration pull. Food (sucrose and other nutrients) flows bidirectionally in phloem, both upwards (from leaves to roots) and downwards (from roots to leaves) through a process called translocation.
