Answer:
B. Leading; lagging.
Explanation:
The leading strand is made as a continuous piece. The the lagging strand is made in small pieces.
Chemical change : sometimes a substance combines with another and forms a new substance , this is known as a chemical change .
Answer:
Food additives are substances added to food to preserve flavor or enhance its taste, appearance, or other qualities. Some additives have been used for centuries; for example, preserving food by pickling, salting, as with bacon, preserving sweets or using sulfur dioxide as with wine. To maintain the nutritional quality of a food - e.g. by avoiding degradation of vitamins, essential amino acids and unsaturated fats. To provide ingredients for consumers with specific nutritional requirements e.g., sweeteners in tooth friendly confectionary or bulking agents for those seeking to reduce caloric intake.
Source:
Wikipedia
I also used multiple websites saying the same thing.
Such as Food-info.net
Www.Just-Food.com
Answer:
Animal organs and organ systems constantly adjust to internal and external changes through a process called homeostasis (“steady state”). These changes might be in the level of glucose or calcium in blood or in external temperatures. Homeostasis means to maintain dynamic equilibrium in the body