Organic materials less than "50,000 years" old are the type of materials that scientists would date with the carbon-14 method.
The right answer is A.
Insecticides are active substances or phytosanitary preparations with the property of killing insects, their larvae and / or their eggs. They are part of the family of pesticides, themselves included in the family of biocides, both of which are regulated in Europe by specific directives.
Some pestiids such as organoclorides are broad-spectrum, ie they act on several insects at the same time (whether they are good or bad).
The answers please? i know that mudslides would be a big issue because the roots are no longer there to help hold the soil i hope this helps :)
4. Cinder cones are a volcano