A home owner researches energy saving home improvements. She finds a website of some companies which install home improvements. She also finds a website of an independent organisation which gives advice but does not install home improvements Which type of website is more likely to give unbiased advice

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?

Which one of the following research methods can show cause and effect

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.