What is the primary difference between scientific theories and scientific laws?
a.
scientific laws can change over time as new technology is developed and new data is collected.

b.
scientific laws have been proven without exception under certain stated conditions.

c.
scientific theories are often discarded and replaced by completely different theories.

d.
scientific theories are educated guesses still need to be verified through experimentation.

The softest and hardest minerals are: softest hardest

Researchers determine that the biodiversity in a woodland region is declining. they identify two major threats to the region's biodiversity, a method to address each threat, and the expected outcome of each method. this information is shown in the table. a) reforestation would not benefit many species because most forest species live on the ground. b) reforestation would take the longest time to be effective because trees take several years to grow. c) biological augmentation would benefit only a few species because is is typically not very effective. d) biological augmentation would take less time to ve effective because it targets the majority of prey species.

How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c