None of the choices are correct
When a plant opens and closes its stomata, it is maintaining homeostasis. Homeostasis includes the regulation of carbon dioxide and water levels necessary to perform photosynthesis. It also allows the plants to store water to prevent them from dying
These series of stages are known as the adoption process.
Normally when a product comes into the market the customer does not jump to it
the first time. Firstly the customer is always hesitant to go for the new
product. They try to learn in details everything about the product. After
learning about the product the customers give it a try to compare it with the
product they were using before. Then only the customer decides whether or not
to purchase the product, if it is better than the product they were using
previously.
The original location of an earthquake is known as the epicenter.