Answer:
All these responses are correct
Explanation:
The systemic lupus erythematosus (SLE) is an autoimmune disorder that may be linked to both environmental and genetic factors. This disease is caused by the own immune system (i.e., antibodies) that is directed against the body's tissues in a healthy person.
The simplest form of carbohydrate is glucose. So, starch is a complex carb, while sugar is a simple carb.
Answer:
if we`ll not classify living beings then it`ll become difficult to study all of beings one by one. In order to make their study easier biologists have classified all living beings into five major groups.
Explanation:
in the earth's atmosphere is made up about approximately 78 percent nitrogen and 21 percent oxygen.
D. A struggle for existence is apparent.
If a struggle for existence is apparent, natural selection occurs because all of the weak/unfit/unadapted ones die.
