Answer: D. Use tools to help improve their senses when they make observations.
Observation is the outcome of a scientific procedure, which is followed to answer the questions related to a scientific inquiry. In order to make observation scientists need to use tools that can help in improving their senses like visual, sensation and hearing aids, so as to make observation accurate, and conclusive in a research.
An alligator has has an extra eyelid that protects there eyes underwater. It's basically their own built-in goggles.
The answer would be B) False cause a line graph only shows ''two'' variables, not three.
Answer:
Are microscopic
Are single celled
Have shapes that include sphere, rod, and spiral
Do not have nuclei and membrane-bound organelles
