Which of the following is a negative effect of the development of the internal
combustion engine used in most cars?
O
A. Cars are expensive to manufacture and maintain.
O
B. The development of the car led to developments in aviation.
O
C. Exhaust released from car engines can pollute the environment.
O
D. Cars allow people to move from place to place very quickly.

The term facultative anaerobe refers to an organism that

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

What does spontaneous generation mean?