Answer:
synthetic fiber
Explanation:
because it contains chemicals
Measuring photosynthesis via the production of oxygen. Oxygen can be measured by counting bubbles evolved from pondweed, or by using the Audus apparatus to measure the amount of gas evolved over a period of time.
A is the answer
a replication fork
Answer:
Compound
Explanation:
everything else only produces a single image also I've used compound microscopes to observe living things
