What is meant by infrared rays?

What is meant by infrared rays? Infrared radiation, that portion of the electromagnetic spectrum that extends from the long wavelength, or red, end of the visible-light range to the microwave range. Most of the radiation emitted by a moderately heated surface is infrared; it forms a continuous spectrum. What are infrared rays used for? Infrared […]

How many countries participate in Earth Day activities?

How many countries participate in Earth Day activities? Over the decades, EARTHDAY.ORG has brought hundreds of millions of people into the environmental movement, creating opportunities for civic engagement and volunteerism in 193 countries. What are some of the different activities that take place on Earth Day? From Virtual Field Trips to Gardening, Here Are 9 […]

Why do mosses and ferns need water?

Why do mosses and ferns need water? Ferns have both roots and vascular tissue and therefore, can grow larger than moss species, but like the mosses, ferns require water for reproduction. The sperm cells have flagella and must swim through a water film to fertilize the egg. Why do ferns and mosses need to live […]

What refrigerant does my car use?

What refrigerant does my car use? In most cars that are on the road today, R134a refrigerant makes the A/C system blow cold on hot days. Selected for its low flammability and safety, as well as because it’s kinder to the environment, almost every car built since 1994 is equipped with R134 refrigerant. What is […]

How do you make your own beard products?

How do you make your own beard products? Ingredients 1 ounce jojoba oil. 1/2 ounce avocado oil. 1/4 ounce almond oil. 1/4 ounce apricot oil. 16–20 drops Texas Cedarwood essential oil. 7 drops orange essential oil. 7 drops tea tree essential oil. How can I make beard oil at home? cocoa butter. shea butter. carrier […]

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