Answer:
scientists form opinions based on evidence and decide how the idea should change.
Explanation:
scientific rarely change , because they are based on extensive edivence. new evidence leads to modification of ideas
Answer:
Healthy food, exercise and use of sunglasses.
Explanation:
Safety goals for tina's decreased vision is to eat a balanced and healthy diet rich in antioxidants and vitamin A, Get enough sleep, doing regular exercise, Wear sunglasses in order to protect your eyes from the sun, Wear eye protection in order to protect the eyes from injury. these practices work because there effectiveness are scientifically proven.
The producers are the main source of the food production in the ecosystem. The producers are the organism, which convert the energy from the sunlight into the chemical energy. The consumers use this chemical energy for carrying out the metabolic processes in their body.
Without producers, the consumers cannot obtain their energy. Hence, the ecosystem without any producer would not survive.