Answer:
the actual answer is B
Explanation:
The form of energy most responsible for giving us sunlight is nuclear energy. The sun produces energy through nuclear fusion in its core.
Answer:
C. visible
Explanation:
Well, you can't see ultraviolet light. Nor can you exactly see gamma or infrafred light. Visible light seems like the more reasonable answer.
Answer:
It forms from sandstone that has come into contact with deeply buried magmas. Quartzite looks similar to its parent rock. The best way to tell quartzite from sandstone is to break the rocks. Sandstone will shatter into many individual grains of sand while quartzite will break across the grains.
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).
