Which of the following is the most accurate description of gravity?

a. objects fall unless they are supported.
b. forces that keep us on the ground and from floating into outer space.
c. a natural force of attraction exerted by the earth upon onjects that pulls the objects towards earth's center.
d. any force that pulls one object into another object.

The kidneys, ureter, bladder, and urethra the body maintain homeostasis through the process of a. excretion b. specialization c. respiration d. digestion

Number and variety of living organism; includes genetic, species, and ecological types

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.