Answer:
churning of the stomach contents.
Explanation:
When food is moved to the back of the mouth by the tongue (deglutition), it does not cause the churning of the stomach contents.
The churning of stomach contents occurs when the bolus from the mouth has entered through the lower esophageal sphincter into the stomach. Churning is the mixing of the bolus with digestive juices containing acids and enzymes secreted from the stomach lining.
Answer: option D) sound being created in music instruments
Explanation:
Resonance occurs when an object close in contact to a vibrating body begins to vibrate at the same frequency of the vibrating body.
Usually each object has a THRESHOLD frequency which must be equaled or exceeded before it is set into vibration.
Therefore, this is the PRINCIPLE behind MELODY i.e how sound is being created in music instruments.
Answer:
It allows us to be educated in issues important in today's world.
Explanation:
Nowadays, the world is facing many different issues. Among them, the climatic issue is the most important one. Science allows us to study global warming. It will enable us to understand how global warming is increasing and how it is affecting the climate. It allows us to get a prediction about climate change, which might be happened by global warming. By studying science, we can also be able to know what to do to reduce global warming so that our environment can become safe.
So we can say that science allows us to be educated in those issues which are important in today's world.
The thin tubes that form between the centrioles during mitosis are the spindle fibres. Spindle fibers originates from a protein structure that divides the genetic material in a cell. They are necessary for the equal division of the chromosomes in a parental cell into two daughter cells during bth types of nuclear division (mitosis and meiosis). During the process of mitosis they are called mitotic spindles.
The answer is e hope this helps
