Adanya diatom dengan jumlah banyak dalam suatu perairan merupakan indikasi bahwa

Adanya diatom dengan jumlah banyak dalam suatu perairan merupakan indikasi bahwa . . .
A Perairan tersebut bersih
B Perairan tersebut tercemar logam berat
C Perairan tersebut tercemar tinja / kotoran hewan dan manusia
D Perairan mengalami polusi termal
E Perairan tersebut berbahaya bagi kesehatan

BACA JUGA  Fruits are a source of nourishing substances that keep us alive and healthy. For example, they contain many vitamins, especially vitamins A and C, and many minerals, such as calcium, potassium, and zinc. They also provide fiber for a healthy digestive system and carbohydrates that the body needs to make energy. They don’t have a lot of calories to make us fat. People use fruits for many things. We make juices from them. We cook bread and pie with them. We make jams and jellies and sweets. We freeze them to eat later. We even make alcohol from fruit. Beer comes from grains, wine comes from grapes, and some brandies are made from plums, apricots, or other fruits. But most of the time, we don’t do anything special with fruits. We eat them fresh, just as they are! The following make people fat according the text, except

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A Perairan tersebut bersih