Answer:
For a full list of topics: A-Z Index ... We know that not all birth defects can be prevented. ... avoid harmful substances, choose a healthy lifestyle, and talk with your ... one month before and during pregnancy, it can help prevent major birth defects of ... planning a pregnancy, she should not stop taking medications she needs or .
Explanation:
Protections the ozone layer
Maintaining animal and human food chain
Preserving potable water and making efficient use of non renewable resources
binary fission?
In binary fission, the parent is split into two daughter cells, each genetically identical while receiving a copy of DNA
A is your answer.
Water containing no salt is known as isotonic solution
Water molecules have covalent bonds. Each molecule consists of two hydrogen and oxygen covalent bonds. However, when water molecules are placed together, as they are normally, the hydrogen atoms in each molecule can form hydrogen bonds with the oxygen atom of other molecules.