11. One of the challenges of tidal wave energy is: A. the start up costs are expensive
B. as global warming increases, the tides will diminish
C. the materials needed to couple the tidal energy to electricity are rare
D. the tides are very unpredictable

Parasitism could be considered a form of which of these types of relationships? -mutualism -commensalism -predator-prey -mimicry

Will mark branliest. the theory of plate tectonics was developed with the contribution of scientists from many different disciplines. which of the following is a contribution from geophysicists?

Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters