The factor that determines this is the atomic structure of these two elements which determines how many electrons are found on the outer shell or energy level of these elements.
Ability to form single, double or even multiple covalent bonds is directly dependent on the number of electrons on the outer energy level.
The atomic structure of oxygen 2:8:6 with the outer shell having 6 electrons. Oxygen readily accepts and share 2 more electrons from another element forming two covalent bonds.
Likewise carbon has an atomic structure of 2:4 with 4 electrons in the outer shell. It readily shares these electrons with other elements to form 4 covalent bonds with them.
Answer: A) Abrasion
Explanation: Abrasion is the process of wearing away a surface by friction.
Answer:
Placebo, Is used to describe a substance given in clinical trial that does not contain the drug.
Explanation:
- Clinical trials are done to evaluate the effectiveness of a drug in treating a particular medical symptom or disease.
- In such case a placebo is used as a control in the experiment.
- A placebo contains all the components as the medicine except for the drug that is being tested.
- A placebo is given to one group of patients having the symptoms for which the drug is tested while another group of patients with same symptoms are given the drug.
- If the group that was given the drug show symptoms of cure while the group that was given placebo does not show changes. Then the drug is said to be effective.
Land breezes. Land breezes occur at night and in the early morning, when the land is cooler than the sea. This is because as the air cools in the night time (as there is less heating from the sun) it contracts. Pressure is higher over the land than the sea.
Answer:
The answer is below
Explanation:
The legal responsibilities of a veterinarian regarding the identification and documentation of animals are the following:
1. The veterinarian must safeguard the personal privacy of clients or pet owners, and the pets.
2. The identification of the pet must be kept from the public except required by the law or essential for the protection of other animals and individuals' health.
3. The information about the pet and the pet owners must be confidential
