<h3><u>Answer;</u></h3>
A. The Triassic period of the Mesozoic Era
<h3><u>Explanation;</u></h3>
- <u>Pangaea was a super continent that existed about 300 million years ago, instead of the current seven continents.</u>
- <em><u>During the Triassic period, the first period of the Mesozoic Era the Earth's landmasses had coalesced to form the super continent Pangaea. By the end of this period the super continent began to divide into two; Laurasia in the north and Gondwana in the south, under the influence of plate tectonics. </u></em>
- <em><u>During the Jurassic Period which was the second segment of the Mesozoic Era that followed the Triassic period, the super-continent Pangaea further split apart.</u></em>
A is the answer. If this works, message me!
Answer:
Because of the UV radiations from the sun causes the damage to the DNA of the skin cells causing the formation of pyrimidine dimers and also causing inflammation and immune suppressiosn resulting in the formation of melanoma.
Explanation:
The main cause of skin cancer (melanoma) is too much ultraviolet radiation from the sun or the sunbeds.
The carcinogenic , inflammatory , immunosuppressive and DNA damaging properties of ultraviolet radiations contribute to the initiation , progression and metastasis of primary melanoma.
Melanoma usually occurs due to excessive exposure to the UV radiations in the sunlight resulting in awry in the melanin producing cells (melanocytes) that give color to the skin.
Answer: 1st one is wrong, atoms are the smallest unit of measure
Explanation:
Answer:
It indicates Acute intermittent porphyria ( AIP)