The glass with the alcohol will contain a mixture. This is because the melted ice will then be incorporated into the alcohol, creating a mixture of water and alcohol. However when the ice melts int he water, since ice is just frozen water, it the glass is still a pure substance because water is a pure substance and no other different substances have been added to it. <span />
Destruction of coral reefs would cause an imbalance in the ecosystem. Some species could be driven to extinction.
Coral reefs are the base of the most diverse marine ecosystem in the world. They are often referred to as the ‘rainforest’ of the oceans and seas. They provide shelter for cnidarians, sponges, crustaceans, and etcetera and provide hiding grounds from predators.
Answer:
Intraspecific competition
Explanation:
Intraspecific competition occurs between members of the same species. For example, two male birds of the same species might compete for mates in the same area.
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option b is the ans "they can be easily brokren "
<span>pH is the measure of acidity/alkalinity of a substance. A pH of 7 is considered is neutral. Less than 7 is the acidic pH, with 1 being most acidic. Thus a vegetable with a pH of 5.3 is slightly acidic. A ph of 4.6-6.9 are called as low acidic foods. Thus, the vegetable is low-acidic.</span>
