Answer:
Heart attack
Explanation:
Heart attack is the death of a part of heart muscles and severe pain that causes heart constriction having pain in the chest which spread to the left shoulder and down the arm thereby causing the feeling of pressure in the chest.
This is caused when a blood clots blocks blood flow to the heart thereby leading makes the tissue to loss oxygen and die.
The symptom of heart attack are;
pain in the chest, neck, back or arms, fatigue, lightheadedness, abnormal heartbeat and anxiety, nausea.
Treatment ranges from surgery, medication , rehabilitation e.t.c.
Answer:
<h2>B). Active site</h2>
Explanation:
The part of the enzyme where the substrate binds is called the active site (because that's where the catalytic “action” happens).
<span>It changes direction and veers off. Sometimes it splits into two. Sometimes the wave , if came at with enough speed, will cause a </span>typhoon
At least 17 elements<span> are known to be essential nutrients for plants. In relatively large amounts, the soil supplies nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur; these are often called the macronutrients. Hope this helps. Have a nice day.</span>