Answer:
Physical property is defined as the property of a substance which can be measured without changing its chemical identity. Physical properties are observable properties of a substance. In other words, physical properties can be measured by watching, listening, feel, touch or smell.
Some examples of physical property are: Hard, soft, color, odor, and luster etcetera.
Answer:
C Darwin
Explanation:
Charles Darwin, the father of evolution theorised that within any population, there exists variation in traits which help the animals adapt to their environment and help them survive.
In the same vein, he believed that the breeds of dogs are all one species, but they have incredible genetic diversity.
Therefore, Charles Darwin first realized that variation mattered, even though he didn't know the exact mechanism.
They can learn from other scientists mistakes and build off successes or failures.
