Question

1. The presence or absence of oxygen in the materials may result in the 1012 A. burning of the materials B. melting of the materials C. change in the materials D. materials remain the same​

Answer 1

Answer:

A

Explanation:

Burning of materials is the ans

Answer 2

❐A. burning of the materials

There are two types of cellular respiration (see Cellular Respiration concept): aerobic and anaerobic. One occurs in the presence of oxygen (aerobic), and one occurs in the absence of oxygen (anaerobic)