You are working with a combustible material . Which piece of safety equipment is most important to have on hand

Thermohaline circulation and gyres

No. an alpha particle is a pair of protons and a pair of neutrons, i.e. a helium

Standing in the sunlight and feeling the heat on your face (uv radiation is entering the skin, converting to infrared radiation, and is absorbed by your tissues)orstanding near a fire and feeling the heat on your skin (infrared radiation transfer)

Conservation efforts have been effective in "increasing the number of endangered species, reducing all the negative impacts of human activity, and preserving wildlife habitats".hope my answer has you : )