Answer:
Yeast cells genetically modified to create morphine-like painkiller. To make a batch of the drugs can take a year. The traditional method is unreliable as well as time-consuming, as the plants can be damaged by bad weather, pests and disease.
Explanation:
Heat wave is a prolonged period of abnormally high temperatures, usually in association with humid weather.
Ans. False.
Coral reefs can be defined as underwater ecosystems, characterized by coral (marine invertebrates) skeletons. Coral reefs can survive only in clean and clear water. Pollutants and sediments smother the coral reefs, reduce water quality, and enhance the growth of damaging algae.
Pollution also makes coral reefs to become susceptible for disease, which impede growth and reproduction of corals, and cause damage to coral reefs.
Thus, the given statement is false as coral reefs are affected by pollution.
