Chemical change.
A chemical property describes the ability of a substance to undergo a specific chemical change. A chemical property of iron is that it is capable of combining with oxygen to form iron oxide, the chemical name of rust.
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 answer is C, because it has a negative charge -1. All groups with charges called ions, unless they are organic compounds.
Neuro means brain, and prosthetic is a part or a stimulator. So basically a neuroprosthetic device is a part that implanted in there brain to act as a part, or to stimulate a certain part of the brain to complete functions.
The answer is d the part of the seed which acts as a food store for the developing plant embryo. Hope I’m correct❤️