Answer:
Gas Exchange: Transfer of oxygen from inhaled air into the blood and transfer of carbon dioxide into the exhaled air.
Explanation:
you inhale oxygen, then exhale carbon dioxide, which is "waste gas." This process is known as gas exchange.
Answer:
D. vibrate
Explanation:
Energy can be defined as the ability (capacity) to do work. The various forms of energy are solar energy, electrical energy, chemical energy, thermal energy, wind energy, nuclear energy, sound energy, etc.
Sound are mechanical waves that are highly dependent on matter for their propagation and transmission.
Sound travels faster through solids than it does through either liquids or gases due to the faster vibration of its particles.
Hence, mechanical waves are created when a source of energy causes a medium to vibrate.
The word you need in order to complete this sentence is supposed.
Are you supposed to be in here?
Because he liked to try a variety of methods ,Demetrius permitted his sisters idea.
<u>L</u><u>e</u><u>a</u><u>r</u><u>n</u><u> </u><u>m</u><u>o</u><u>r</u><u>e</u><u>:</u><u>-</u>
A group of words which makes an sense called sentence .
There are 8 parts of speech .
- Noun
- Pronoun
- verb
- adverb
- adjective
- preposition
- Conjuction
- Interjection