C
Both animal and plant cells possess a nucleus and cell membrane however chloroplasts and a cell wall are only in a plant cell indicating that the answer must be C.
Answer:
Hydrogen ion(H+)
Explanation
The human blood has carbonic acid and bicarbonate anion as buffer to maintain the blood pH between 7.35 and 7.45. A virtual value higher than 7.8 and 6.8 can lead to death.
Taking coffee which has a low pH will lower the pH of the blood. In order to raise the pH back to normal and lower the level of acid present in the system. The human buffering system will to take up Hydrogen ion.
From the list provided the eco-friendly activities are recycling materials, growing trees, burying organic matter and using fewer disposables. Recycling materials ensures that less refuse is available to become trash. Planting trees prevents and remedies soil erosion. Using fewer disposables ensures that less refuse enters the environment. Filling landfills, cutting trees and burning fossil fuels are all non eco-friendly practices.
Answer:
Taxonomy is the process that deals with classifying different living things.
Explanation:
Scientists use taxonomy for the better understanding of the process of evolution and the evolutionary relation between different organisms. It is very important to classify different organisms in order to understand the relationship. Carolus Linnaeus is known as the father of taxonomy.
Water is less dense as a solid than as a liquid the answer is D
