A banana turning brown when exposed to the air is an example of?

A. a heterogeneous mixture

B. vaporization

C. a chemical change

D. an amorphous solid

A certain bacterial species contains carboxysomes. From this information, it can be inferred that the species is capable of Choose one: A. carbon fixation. B. polyketide synthesis. C. the reductive TCA cycle. D. nitrogen fixation.

1. Explain how cells specialize to form specific tissue and organs.

Also think about some ways students, parents, and communities can cope with the impact of school closures

The cichlid Cynotilapia afra, introduced at West Thumbi Island in Lake Malawi in the 1960s, has split into two genetically distinct populations, located at the north and south ends of the island.

Why is the inquiry process a practical way to approach science?

What is the correct term for a large number of species in an ecosystem?

A victim of foreign body airway obstruction become unresponsive. what is your first course of action?

Theoretical approach gives an evolutionary explanation of why the sexual double standard is found around the world.

How are fish and human embryos similar?

Which of the following would have the LEAST amount of momentum? A. a stationary boulder B. a boulder falling off a cliff C. a boulder rolling down a hill D. a boulder rolling along on a flat surface