Volcanic ash and magma are both materials produced by volcanic activity, and they have certain harm to humans and the environment, but the nature and degree of their damage are different.
First, let's take a look at volcanic ash. Volcanic ash is a substance made up of tiny rocks, minerals, and glass fragments emitted by volcanoes, usually with particles of less than 1 millimeter in diameter. Since its particles are very fine, it can travel great distances with the air current. Volcanic ash blocks out sunlight as it floats, causing temperatures to drop, affecting plant growth and crop yields. In addition, volcanic ash can also have an impact on air traffic because it can cover aircraft engines and cause engine failures.
Next, let's take a look at magma. Magma is a liquid substance composed of lava, minerals, and gases, and its temperature is very high, reaching more than 1,000 degrees Celsius. Magma poses a serious threat to human life and property, as it can destroy infrastructure such as buildings, bridges, and cause people**. Magma can also cause damage to the ecological environment because it covers the ground and kills plants and animals.
In summary, both volcanic ash and magma are harmful, but they differ in nature and degree of damage. Volcanic ash causes harm mainly by affecting climate and transportation, while magma causes harm by destroying infrastructure and destroying ecological environments. Therefore, in the face of volcanic activity, we should pay close attention to its dynamics and take corresponding protective measures according to the actual situation.