Earth has an atmosphere. The atmosphere protects us from harmful rays. What is the atmosphere made of? A. Water vapor B. Gases C. Soil D. Rocks 相关知识点: 试题来源: 解析 B。解析:地球有大气层,大气层保护我们免受有害射线的伤害。大气层是由气体组成的。选项 A 水蒸气只是大气层的一部分...
Ultraviolet (UV) rays are invisible rays that are part of the energy that comes from the sun. UV rays can burn the eyes, hair, and skin if these parts of the body are not properly protected, or if they undergo too much exposure to the sun. Nevertheless, they are very useful in our...
Life exists on earth because of ozone layer. This layer protects the earth from the harmful UV rays of the sun. As per a recent study, scientists have deeply explored variations in this layer and its depletion in larger amounts in the poles which is commonly termed as ozo...
ozone layer ozone layer protects the earth from harmful ultraviolet rays from the sun. it is found in the upper regions of the stratosphere. the depletion of the ozone layer results in the entry of the harmful uv rays to the earth’s surface that might lead to skin cancer and can ...
What does the stratosphere protect us from?Stratosphere:The stratosphere is the second layer of the atmosphere that is between the altitudes of 10 to 50 km. It has the troposphere below it and the mesosphere is above it. It is separated from the troposphere by the tropopause and the strato...
UV rays pull the warmth from color-treated hair, leaving behind locks that are faded and brassy. Even untreated hair can turn dull under the sun’s oxidizing rays. If you’re going to be outdoor during the hours of 10 a.m. and 3 p.m., make applying a hair care product that contai...
UV rays cause skin cancers and the ozone layer protects us from it. But Ozone formed from air pollutants in presence of sunlight close to Earth’s surface is harmful to us and the environment. It hangs like a haze over the cities especially industrialised ones. Geographical and Climatic ...
Even the blue light* that we encounter in our screens is given off in smaller quantities in the sun’s rays. Thanks to the coverage of Earth’s atmosphere and the ozone layer, not every ray from the sun reaches Earth.As for UV rays, there are two main types that reach us: UVA and...
CertiPUR-US Certified mattress foams are madewithout: Ozone depleting components.The ozone layer is an important aspect of the Earth’s atmosphere that protects us from the sun’s harmful UV rays. Certain elements, such as chlorofluorocarbons (CFCs), can severely deplete the ozone, and unfortunatel...
Overexposure to UVA and UVB rays can cause sunburn on the eyes which can lead to eyes feeling gritty. To prevent this, you should always wear sunglasses with 100% UVA and UVB protection when outdoors. Eye allergies Eye allergies such as allergic conjunctivitis occur when allergens such as polle...