Answer:
The correct answer is : Biosphere 2 is a model based on the creation of a miniature ecosystem with life support systems.
Explanation:
Biosphere 2 is a small model of the biosphere, which is planned by scientists and engineers, that is closed and isolated from the outside world. In this study or research, the strategy for modeling is utilized to show the performance and conduct or behavior of a real biosphere.
Researchers made a model or an artificial situation that can uphold living things. It has a scaled-down model of a tropical forest, a grassland, a sea with a coral reef, a desert, and a mangrove biosphere. In these conditions, a wide range of animal varieties was contained. Furthermore, a group of eight individuals additionally fixed themselves inside it.
A. A weak acid. Hope this helps!
I'd go with B because it makes sense to me.
The correct answer is D. Nuclei
During this process, multiple nuclei are created and they all exist at the same time until the cytoplasm separates and starts forming new cells, which is when the nuclei enter these new cells and separate, forming thus new cells.
