Answer:
A gamma-ray, or gamma radiation, is a penetrating form of electromagnetic radiation arising from the radioactive decay of atomic nuclei. It consists of the shortest wavelength electromagnetic waves and so imparts the highest photon energy. Paul Villard, a French chemist, and physicist discovered gamma radiation in 1900 while studying radiation emitted by radium. In 1903, Ernest Rutherford named this radiation gamma rays based on their relatively strong penetration of matter; in 1900 he had already named two less penetrating types of decay radiation alpha rays and beta rays in ascending order of penetrating power.
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Answer:
Blood pressure is higher in arteries than veins, and the elastic layer helps maintain the structure of the artery.
Explanation:
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PLATO USERS
Intertidal Zone 10 m (33 ft)
Sublittoral Zone 200 m (660 ft)
Hadal Zone 10,911 m (35,797 ft)
Bathyal Zone 6,000 m (19,686 ft)
[ a ] the sublittoral zone or the shallowest bathyal zone
[ b ] the intertidal zone or the deepest hadal zone
[ c ] the oceanic zone or the deepest intertidal zone
[ d ] <em><u>"The Intertidal Zone Or The Shallowest Sublittoral Zone."</u></em>
