What is the connection between these four pictures? Need help

A. They consist mainly of new matter

B. They use energy from plants

C. They contain the same amount of energy

D. They may have shared the same mater

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

In 1992, hurricane andrew left a wake of destruction through florida. one victim of the storm was a reptile-breeding facility. over 900 burmese pythons were set free, and today thousands of pythons live in florida. these pythons are an invasive species, or a harmful species not native to the region. 1. what impacts do you think the burmese pythons might have on local ecosystems

Which law represents a balanced chemical equation?