It's important so that they know exactly where the disease started. Knowing who patient zero is helps them to identify who that person interacted with. From there, they can determine where the disease spread to. This will aid them in stopping the disease before it spreads any further.
When the ocean produces oxygen through the plants (phytoplankton, kelp, and algal plankton) that live in it. These plants then produce oxygen as a byproduct of photosynthesis, which is a process that converts carbon dioxide and sunlight into sugars that the organisms can use for energy then and later on.
Explanation:
Answer: Abruptio<span> placentae; Placenta Previa </span>
Abruptio<span> placentae or placental abruption is the premature separation of the placenta from the uterus. Individuals having this abruption of the placenta experiences bleeding, uterine contractions, and fetal distress.</span>
Placenta Previa, on the other hand, occurs when the placenta lies low in the uterus and partially or completely <span>covers the cervical opening (cervix)</span><span>. </span>
It is a covalent substance because there is a covalent bond between Hydrogen and Oxygen