During an experiment, a scientist crosses a pea plant that has purple flowers with a pea plant that has white flowers. the plants that result from this cross in the f1 generation have both purple and white flowers. what can the scientist conclude?

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

Which layer will become saturated first when rain falls?

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land