Are canals natural resources

What is valley of the river Tigris? What is visible light frequency bandwidth? Can you see pulsars with the naked eye? How is an action potential propagated down an axon after voltage-gated sodium channels open in a region of the neuron's membrane? Which best describes where the scientists who have contributed to our knowledge were located? Which countries make up eurasia? How long does it take to fly to Italy from Colorado? What is ramming effect? How does the appearance of the chromosomes changes as you move through the list? What are some kind of the technologies materials and design elements available to make houses more efficient? Which is composed of similar types of cells and performs a specific function? What is the name of a plant that do not manufacture its own food? Why does the sun change its altitude in the sky over a year but the stars do not? The cartilage that is located at the end of long bones that closes when growth ceases is called the plate? Why is the Coriolis effect more important for ocean current and wind? What is a physical change - corrosion explosion evaporation rotting of food? How do you draw the symbol for a hurricane? You have deep vertical lines on your fingertips and fingers which make strange fingerprints in forensic science class? Doe RNA move into the cytoplasm? Is it possible for a mineral to have a prismatic habit with out having any cleavagewhy or why not?