.The answer to this question is: C. ionic bond
In general, Ion particle are <span>formed when atoms lose or gain electron (when loses electron, ion become positive. When gaining it, ions become negatively charged)
Among the chemical substances, Metal atoms had the positive ions and nonmetal atoms will have negative ions</span>
<span>More than 80 percent of adults do not meet the guidelines for both aerobic and muscle strengthening activities found in healthy people 2020. Sorry if I'm wrong but I think there should be an options to choose as it is difficult to remember exact number.</span>
Contact
Explanation:
Pathogens can be spread a few ways depending on what type. They could be spread through skin contact, airborne particles, body fluids, contact with feces, and touching a surface touched by an infected person.
A. A UNIT OF ENERGY SUPPLIED BY FOOD.
A calorie is a unit of energy. Historically, scientists have defined "calorie" to mean a unit of energy or heat that could come from a variety of sources, such as coal or gas. In a nutritional sense, all types of food — whether they are fats, proteins, carbohydrates or sugars — are important sources of calories, which people need to live and function.
Answer:
all describe something bare no vegetation
Explanation:
