Kilograms are units of mass
The mass of an object remains constant
Mass is measured using balance
These are the correct answers, I hope it helps
It is a perfect example of a natural selection.
(I'm not sure if this is the exact answer that you are looking for.)
ANSWER: Biological biodiversity refers to all the different kinds of life that are obtainable in a particular ecosystem, this include all the plants and animal populations that are found in a particular geographical area.
Biodiversity supports healthy ecosystem because it enhances the productivity and the survival of the ecosystem. For instance, in a situation where there are large number of different plant population in an ecosystem, such population will present variability in genetic make up. If a negative event occur in the ecosystem, it will be possible for some plants to survive. But, in a situation where it is only one type of plant that is obtainable in the ecosystem, it will be quite easy to wipe all of them out at once. For instance, a disease outbreak can easily destroy all the plants.
Answer:
The third one, The opening of the cup is so much bigger than the bottom even though the cup moves they will both be stacked together. (I think)
Explanation: