A 21 kg child on a 5.9 kg bicycle is riding to the park with a velocity of 4.5 m/s. What is the total momentum of the child and bicycle?

The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?

How are proteins and nucleic acids related? they both provide energy. they both carry genetic information. the structure of proteins is determined by nucleic acids. the subunits of nucleic acids are also the subunits of proteins.

What is the statement plant growth is affected by the color light