HURRR PLEASEEE
1. Which statements are true about fossil fuels?
A. Fossil fuels contain carbon from once living organisms.
B. Fossil fuels release carbon dioxide when burned.
C. Fossil fuels include water and lumber.
D. Fossil fuels are created from organic material that was compressed and buried for millions of
years.
E. Fossil fuels include oil, natural gas and coal.

Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos