They can slow their heartbeat down
Answer:
Shape, Size, Height, Type of Food
Explanation:
The color is the variable and the type of hummingbird can't be controlled.
Answer:
The cell (from Latin cella, meaning "small room") is the basic structural, functional, and biological unit of all known organisms. A cell is the smallest unit of life. Cells are often called the "building blocks of life".
<u>Advantages</u>:-
Following mentioned are a few enlisted positive effects (of using windmills):
• It is cost-free; in other words it is inexpensive or affordable.
• In fact it is and can be an alternate for fossil fuels.
• Moreover, wind energy is a domestic source of energy.
• It helps in controlling air pollution which is a huge threat to life.
• Furthermore, it utilizes merely a small amount of land the rest of which can be used by farmers wisely.
Written by: Mmkhn
