Answer:
Volcanic degassing of volatiles, including water vapour, occurred during the early stages of crustal formation and gave rise to the atmosphere. When the surface of Earth had cooled to below 100 °C (212 °F), the hot water vapour in the atmosphere would have condensed to form the early oceans.
Explanation:
The question is referring to primary succession, which begins with the colonization of living organisms in an area that hasn't had any living organisms before.
This kind of succession begins with microorganisms, and plants such as lichens and mosses.
Given that a rock outcrop is a terrestrial environment, lichens (C) are most likely to be the firsts organisms.
Answer: The answer is (D) usually made of tough fibers
Explanation:
The law of conservation<span> of </span>mass<span> states that </span>mass<span> in an isolated system is neither created nor destroyed by </span>chemical<span> reactions or physical transformations. According to the law of </span>conservation<span> of </span>mass<span>, the </span>mass<span> of the products </span>in a chemical reaction<span> must equal the </span>mass<span> of the reactants.</span>