Answer:
In chemistry, reactivity is a measure of how readily a substance undergoes a chemical reaction. The reaction can involve the substance on its own or with other atoms or compounds, generally accompanied by a release of energy. The most reactive elements and compounds may ignite spontaneously or explosively.
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Answer:
it carries instruments to send back information on atmospheric tempreture pressure humidity and wind speed by means of small, expendable measuring device radiosonde
First, the organism needs to be buried quickly so the bones do not rot, sinking in tar, sand storm sinking in mud etc. Over time more sediment will cover the organism, preventing decay. Being buried quickly and preserved away from predators are one of the reasons why marine life fossils are much more common <span>the terrestrial animals as they are rarely preserved.</span>
Answer: (a) Haploid (b) asexually (c) mitosis (d) sexually.
Explanation: Chlamydomonas which is a chlorophyte, undergoes a Haploid life cycle common to algae. In favorable conditions, it reproduces Asexually via Mitosis, while in unfavorable conditions, it reproduces Sexually , producing a zygospore which undergoes a period of dormancy until improved conditions.