You have two solid substances that look the same. What measurements would you take and which tests would you perform to determine whether they actually are the same?

Determine why DNA needs to replicate before a cell divides.

Describe global temperature cahnge over time

Do the bicycle and rider have energy when they're positioned at the top of the hill? If so, try to explain your answer.

A city plans to convert all of its electricity sources to solar collectors. This is one part of a new plan to manage the city's energy resources. How will this plan most likely affect Earth's systems? a Air pollution in the atmosphere will decrease.

Suppose skin color in a frog is determined in two alleles: B (blue) and Y (yellow). B and Y show incomplete dominance, where BY heterozygotes are green. Suppose frog 1 is blue and frog 2 is green. frog 1 and frog 2 produce 200 offspring together.

What would most likely be included in the "Analysis" section of a lab report? a discussion of any errors in the experimental dataa list the supplies that were used in conducting the experimentsuggestions for new experiments based on the resultsa

Jason noticed that his flashlight stopped working. He solved the problem by using the scientific method. Arrange the steps he followed in the correct order in the flowchart.

Fiona has been diagnosed with bulimia nervosa. based on the physical symptoms listed in your text, you should expect that fiona will show evidence of

Four students collected data for the length of an object. Student 1 Student 2 Student 3 Student 4 5.5 5.6 7.8 8.1 Which statement correctly describes the students' data? If the actual value is 5.

Two separate, but genetically similar species would be classified under the same [__]. genus kingdom species family