Question

What is ecosystem
What is formula

Answer 1

Step-by-step explanation:

Ecosystem consists of the zones of biosphere, each having its own physical environment and plann animal life.

representation of a compound by all the symbols of the elements in it, and the number of atoms of each present in one molecule of the compound

Answer 2

Answer:

$\huge\star\underline{\mathtt\orange{A} \mathfrak\blue{n } \mathbb\purple{ Տ} \mathbb\pink{wer}}\star\:$

1.An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. These biotic and abiotic components are linked together through nutrient cycles and energy flows. 

2., a formula is a concise way of expressing information symbolically, as in a mathematical formula or a chemical formula.