<span>All the options (heat, pressure, deposition and chemical environment) are correct.<span>
Metamorphic rocks are formed when pre-existing rocks are subjected to heat, pressure and hot mineral rich fluids which cause physical, chemical and mineralogical changes to the rock. Metamorphic rocks are grouped by chemical, texture and mineralogy. The common metamorphic rocks include schist, marble, and gneiss.
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2. solar system 1. is elliptical
Answer:Prophase
Explanation: Prophase is when chromosomes are made and the nuclear membrane breaks it down and later into the appearance of spindle fibers.
<span>One of the advantages of genetic engineering is the ability to add vitamins and minerals supplements to food. The correct option is D. The other options given are disadvantages of genetic engineering. Apart from the advantages given here, genetic engineering has other merits, such as production of better agricultural products, increasing shelf life of products, elimination of diseases, etc.</span>
False...whales are mammals...
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