Answer: D
Explanation: The consumption of fish especially the small fish e.g shellfish is by far the most significant source of ingestion-related mercury exposure in humans and animals.
Answer:
Why do marathon runners collapse and die? Some of the reasons why marathon runners often collapse near the finishing line is because the build-up of lactic acid in the blood during the run triggers abnormal heart rhythms and also exhaustion, emotional stress, dehydration and heat stroke
Answer:
It was thought that plants evolved from stonewort-like algae. New research shows that the closest relatives to land plants are conjugating green algae
