The sun is the ultimate source of energy for terrestrial ecosystems. approximately how much of the potential energy available from the sun s rays hitting the earth is used in photosynthesis? 50% 25% 10% 1%

Which type of energy comes from the Sun and travels to Earth? A. Heat energy B. Light energy C. Infrared energy D. All of these

the length and breadth of a room are 3m and 4m. What is the length of the longest metallic rod that can be placed on the floor?

Explain two different way that humans adapt to survive in the winter in cold environments.

Which is abiotic Tree sap Insects Sunlight Wood table

What are linnaeus two major contributions to taxonomy?

A clean environment is critical to human health around the world. Which statement best summarizes the air pollution situation in Mexico City? Mexico City has some of the cleanest air in the world. Only government officials can own cars.

Jamie fell backwards and bumped her head. She briefly 'saw stars'. This is because her fall stimulated her:

What does Zygapophysis mean in Biology?

Huge volume of suspended particles in atmosphere Suspended particles block sunlight to Earth Solar radiation reduced Mean global temperatures drop Some life forms become extinct The hypothetical scenario on Earth could be the result of A) another

What chemical formula represents the organic molecule