Tag: science & technology

Range for normal blood pressure?

Approximately how many gallons of water can a fully grown saguaro cactus hold?

Material from ocean reefs is used in anumber of health treaments. Which of the following is among the uses for the porus limestone skeleton of corals?

Billions of tons of what compound are stored in Earth's permaafrost?

The temperature inside Mexicos Cave of Crystals remains constant and cool.

The Borneo rainforest has more than 15,000known species of plants and animals, including the largest of which of the following?

Hydrohermal vents are like geysers of Yellowstone National Park, only on the bottom of the ocean. What is the name of the hottest of these seething sea floor features?

Mangrove trees do not need salt to survive but they are able to grow in areas with higher salinity levels by excreting salt from which of the following?

The so-called great migration, the seasonal movement of some 2 million animals, takes place across which grasslands?

What % of the world's wild pandas live in China's Min Shan mountain range?