Answer:
sand is heterogeneous mixture
Cellular Respiration-
Oxygen is taken in and carbon dioxide is liberated out.
Photosynthesis-
Producing food and capturing energy.
Hello!
Taxonomy is A. The science of classification.
It is the science of defining, naming, classifying, and describing living and extinct organisms.
We define chemical reaction is a process in which old bonds break and new bonds are formed . So from the definition you can get the result easily
Answer: They refused or sometimes even closed schools instead of integrating
