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Why is the upper surface of many leaves is covered in a waxy cutiicle?
The waxy cuticle on the upper surface of leaves helps to reduce water loss through transpiration by forming a barrier that limits evaporation. It also acts as a protective layer against pests, pathogens, and harsh environmental conditions. Additionally, the cuticle can help reflect excess sunlight and reduce heat stress on the leaf surface.
What speed up the decay of biomass?
Factors that can speed up the decay of biomass include moisture content, temperature, oxygen availability, and the presence of decomposers such as bacteria and fungi. These factors can increase the rate at which organic matter breaks down into simpler compounds, releasing nutrients back into the ecosystem.
Structurally how do plants respond to high temperature low humidity or limited water in an effort to conserve water?
plants will allow their leaves to die if they need to reserve water during a drought. This means that there is less for the plant to have to maintain. Or, as in the desert, plants have no leaves at all.
What can cause the heat index to lower?
Factors such as a lower air temperature, higher humidity, or increased cloud cover can cause the heat index to lower. These conditions can reduce the perceived heat by affecting how the body can cool itself through sweating and heat dissipation.
What are the adaptations for reducing the rate of heat loss to the environment?
Animals have adaptations such as insulation (fur, blubber), countercurrent heat exchange mechanisms to reduce heat loss, behaviorally seeking shelter, and adjusting metabolic rate to regulate body temperature and minimize heat loss to the environment.
Why do liquids conduct heat better then gases?
In liquids particles are more loosely packed so heat can flow through more ease.
Why does sunlight heat water more slowly than land?
Because Solid molecules are closely packed while liquid molecules are loosely packed and has spaces between them which make them contract first before they become hot.
Why does lands heat faster than water?
Land has compact molecules so only conduction takes place and it is an insulator of heat so the heat remains on the surface whereas water has loosely packed molecule so heat is transferred by convection ths it takes a longer time to heat up.
Why Water is an bad conductor of heat?
Water is a poor conductor of heat because its molecules are loosely packed and not easily able to transfer heat energy through collisions. Additionally, water has a high specific heat capacity, which means it can absorb a lot of heat energy before its temperature changes significantly. This property contributes to water's role as a thermal insulator.
Why do some vegetables like spinach etc get reduced in amount after cooking?
Spinach (uncooked) contains a lot of moisture and is loosely packed with leaves. Once cooked, the moisture escapes and sinks into the leaves, making them softer and wilted a bit. It will also become more compacted as the leaves wilt down to one another, reducing the total quantity.
Does having the heat on reduce engine temperature?
yes it does reduce your heat temperature
Why do some materials conduct heat better then other?
Materials that conduct heat well typically have closely packed atoms or molecules that allow for efficient transfer of thermal energy through the material. Additionally, materials with free-moving electrons, such as metals, are good conductors of heat as the electrons can easily transfer energy. Conversely, materials with loosely bound atoms or molecules, such as gases and some insulators, are poor conductors of heat.
Where is the stomata located to reduce water loss?
Stomata are typically located on the underside of leaves. This positioning helps to reduce water loss by minimizing exposure to direct sunlight and reducing the chances of evaporation. The presence of stomata on the underside of leaves also reduces the risks of damage from external factors such as wind and heat.
The state of matter depends upon the movement of its?
The state of matter depends on the movement and arrangement of its particles. In solid states, particles are tightly packed and vibrate in place. In liquid states, particles are more loosely packed and move past each other, while in gas states, particles are far apart and move freely.
Why do tomato leaves curl upward?
Tomato leaves curl upward due to various reasons such as heat stress, nutrient deficiencies, pests, or diseases. This curling helps the plant reduce water loss and protect itself from environmental stressors.
Which direction trees should be planted to reduce maximum heat radiation around building?
Plant trees to the south and west of the building to provide shade from the afternoon sun, which can help reduce heat radiation and cooling costs. Deciduous trees are ideal as they can provide shade in the summer and allow sunlight through in the winter when their leaves fall. Planting trees strategically can help create a natural barrier to reduce heat absorption by the building.
Why is construction paper not a good insulator?
Construction paper is not a good insulator because it is thin and composed of loosely packed fibers, allowing heat to easily pass through. Insulators need to have a low thermal conductivity to effectively block the flow of heat, which construction paper does not have. Materials like foam, fiberglass, and plastic are better insulators due to their structure and composition.
