Which type of property of matter can be observed without changing the composition of the substance?

a) physical properties

b) reversible properties

c) chemical properties

d) irreversible properties

Which of the doll uses of genetic engineering would most likely be debated? A. Find more ways to make plastics B. Find cures for disease in humans C. Enable humans to live forever

DDT is a pesticide that was banned because of its negative impact on the environment. DDT weakened eggshells and caused the decline of many bird species, including bald eagles.

Name 3 types of community interactions that can affect an ecosystem

How long can you go without food until you pass out?

Can the depth of a body of water influence what lives there

Which statement best describes how light travels? Light, in a vacuum, travels at the same speed even if the light source is moving. Light given off from a moving source will travel faster in a vacuum.

How are fished adapted to their environment?

You are conducting an experiment with phosphorus and nitrogen being added to the soil of a growing plant. When the amount of added nitrogen is increased, the growth is not affected.

What is the relationship and sequence correspondence of the rna transcript and the dna template strand with respect to transcription?

What structure is responsible for making part of the ribosomes?