Jeremiah is on a school trip to a forest preserve. According to the urban heat island effect, as Jeremiah leaves the city and heads toward the nature preserve, the temperature should
That's because large cities
more heat'than rural areas. When Jeremiah arrives at the preserve, he immediately
notices the effects of solar radiation. The blacktop in the parking lot feels
y the green grass where his class will eat their picnic lunch.

Which best describes red blood cells? a. they are colorless b. they protect against disease-carrying microorganisms c. they transport oxygen throughout the body d. they aid in blood clotting

The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory? a. the cell theory stating that all living things are composed of cellsb. the theory of spontaneous generation, which held that life forms could arise spontaneouslyc. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organismsd. the germ theory of disease and causative agents

Identify the structures ! 20 points