A buffer is a solution encompassing a weak acid and its conjugate base in alike amounts. This combination reduces the pH change upon addition of strong acid or base by converting H1+ (or OH1-) to weaker acids or bases. This primarily consist of compounds that stabilize the pH of a solution by removing or replacing hydrogen ions. Also, substances that resist change in pH.
Answer:
Explanation:
wavelength shown with 1 wavelength streched over a long distance
Answer:
There are four types of animal tissues:
- epithelial tissue,
- connective tissue,
- muscle tissue
- nervous tissue.
Answer:
Major functions of the muscular system are - produce movement, maintain essential bodily functions, maintain posture, stabilize joints and generate heat.
Explanation:
The muscular system is an organ system includes all three types of muscles smooth, skeletal, and cardiac muscles. It helps in the performing various functions such as generate heat generate movement, help in supporting the skeletal structure by maintain posture. and stabilizing the various joints.It includes muscles and tendons that are joins with the bones.
Thus, the correct answer- Major functions of the muscular system are - produce movement, maintain posture, maintain essential bodily functions, generate heat and stabilize joints.
It is useful for an ecologist to identify the keystone species in an ecosystem because the keystone species is important to maintaining the stability of an ecosystem, and any changes in the keystone species population shows that there is changes in ecosystem health.