Answer:
decomposition
Explanation:
did the test and got it correct
The right answer is D. all of the above.
The restoration and rehabilitation of wetlands are today major challenges to maintain a fabric of natural spaces with high heritage value. The ecological engineering that has developed over many years, inspired by methods of renaturation of coastal, alluvial, grassland and forest natural areas has specificities that it is necessary to share to allow access to the greatest number. This knowledge is built on the basis of feedback and scientific knowledge, which is itself constantly evolving. They constitute a base for conducting sustainable operations that are consistent with the maintenance of ecological trajectories as close as possible to the natural model in balance with human activities.
the given element is
¹³⁰₅₅Cs
the superscript - 130 is the atomic mass / mass number
mass number is the sum of protons and neutrons
subscript - 55 is the atomic number
atomic number is the number of protons
therefore we can write the following equations
protons = 55
protons + neutrons = 130
so neutrons = 130 - protons
nuetrons = 130 - 55 = 75
number of neutrons = 75
Gas
Liquid
Frozen