To distinguish results based on the only two variables of awareness.
Observed (presence) vs the unobserved (absence) changes the outcome in every experiment.
Something like a control group, if i am on the right side of the road (as in 50 states, but not territories of the US that is us.
Light microscope Electron microscope
AU and light-years are simply two different units of length, used in astronomy. The units are of different sizes. You can invent lots of other differences if you like, but basically, that's the difference - their size. Other differences might include how they are defined; and in what cases they are typically used.
What are two ways that's scientists can study earths climates history
Scientists show creativity by expirimenting in different ways.
Quantitative and Qualitative. :)
Food Chains and Food Webs
The wave model of light and the particle model of light.
two different mathematicians and scientists
Two scientists may have different underlying assumptions that lead them to different conclusions about the same data.
Nissan currently makes two different models of pickup trucks. These models are the Nissan Frontier and the Nissan Titan.
The two models have a similar look and have similar features, but these are two different Samsung phone models.
The two types of televisions use different technologies to light up their screens. Price is also different, with LED TV's being less expensive the HDTV's. You cannot get a flat screen LED TV, but you can with HDTV models.
Different models of curriculum design vary in their approach and focus. For example, the Tyler model is more focused on defining objectives and outcomes, while the Taba model emphasizes collaboration and student input. The Hilda Taba model also places importance on evaluation and reflection throughout the curriculum design process.
Hybrid
They have gotten different results because they performed it from their knowledge.
an organism that has two different alleles for a trait is heterozygous
No, it will not. These two car belong to different models.