Why can mining for minerals in the deep ocean have a large impact on the environment? The companies that mine minerals always take more than they are legally allowed to.
The equipment needed for mining takes over the space used by species for shelter.
The many unknown species living in the deep ocean may be destroyed by mining activities.
The money needed for mining usually gets taken from other protective programs.

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a. one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b. one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c. one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.

What is any method of measuring the age of an object or event in years, such as using atomic half-life?