The two main types are DNA and RNA
The air outside your body because when you tried to hold your breath the pressure builds and forces your body to breath by letting out the air but depending the altitude you are the pressure can change hope this helps
Answer:
Villi, alveoli and nephrons are similar as :-
B. They provide large surface areas for molecular exchange.
Answer:
Technology.
Explanation:
Technology is defined as the methods, techniques, skills which are used in the production of goods and services.
Technology can be the knowledge of techniques process to allow or complete the operation without detailed knowledge of the working.
System by applying techniques will give the outcome by taking an input by changing the process of according to the system use, this process is called technology use.
Therefore, technology can be referred as the use of scientific tools to help in making things easier and better.
