You are testing for the presence of starch: Iodine dissolved in an aqueous solution of potassium iodide - reacts with starch producing a deep blue-black color. This reaction is the result of the formation of polyiodide chains from the reaction of starch and iodine.
Answer:
1. The body uses fat as a fuel source, and fat is the major storage form of energy in the body.
2. helping to strengthen certain structures or bringing oxygen to the body's cells.
3. Your body uses water in all its cells, organs, and tissues to help regulate temperature and maintain other bodily functions.
Fluke don't contain bones, while fins do. Flukes go fast while fins steer. Flukes also manage temperature control.
Answer:
less than 1%
Explanation:
The approximate percentage of the geologic time that humans have existed on the Earth since its origin is less than 1%.
The earth is about 4.6 billion years and much of its history has been without the present of human activities.
- Hominis were the first human to appear on the surface of the earth.
- This was in the Miocene epoch which was about 6 million years ago.
- Compared to the age of the earth, this time lapse is very small and not up to 1%.
- Life first appeared on earth about 3.5billion years.
- Since then evolution has taken its due course to give what we have today.
Answer:
The Ar-Rub al Khali desert is well known as Rub' al Khali desert. It is also known as Empty Quarter of the Saudi. It is located in the Saudi Arab and is one of the largest desert of the world. It has an area of about 250,000 miles square.
Explanation:
