Answer:
An ecosystem is a community of living organisms with nonliving components of their environment, interacting together as a system
Explanation:
I vivid description of an ecosystem is that species of different kinds make up populations which makes up communities.
Answer:
silicon-32
Explantion: Silicon is a chemical element that has atomic number 14 and is located in group 14 in the periodic table. Silicon has 23 recognized isotopes, with mass numbers from 22 to 44. The oldest lived radioisotope is Silicon-32, and its half-life has been examined to be around 150 years. Silicon-32 is formed in the atmosphere by cosmic ray spallation of argon and is released on the surface of the earth in precipitation.
The answer is A.photosynthesis
