Item 19

Why do construction engineers brace buildings in earthquake zones?

to prevent damage from landslides

to slow the spread of earthquake waves

to keep seismic waves from causing collapse

to stop the transfer of energy from the interior of Earth

Which term refers to genetic changes which give their carriers a better chance to survive and reproduce than individuals without the genetic change who live in the same environment?

All of the following are kinds of chemical bonds except 1. covalent 2. hydrogen 3. ionic 4. nitrogen

The structure that surrounds the cytoplasm in a bacterial cell is the

An organized way of gathering and analyzing evidence about the natural world. It is a way of observing, a way of thinking, and "a way of knowing" about the world.

What connection do all living things have with each other? a. they breathe air to get oxygen. b. they use the same set of nucleotides. c. they use energy from the sun to make food. d. they have the exact same nucleic acid sequence?

A group of scientists designed a clinical study to investigate the effects of cholesterol deficiency in humans. For the duration of the 8-week study, the adult subjects must live in a special research unit of a hospital.

What is spilicing and where does it occur exactly correct answer

1. An example of an organism that has an incomplete digestive system is a. a sea star. b. a sponge. c. a spider. d. a sand dollar.

Does eubacteria live in extreme or normal environment

A freshwater plant is placed in salt water. Which of the following events would most likely occur? Group of answer choices an increase in the action of its contractile vacuole shriveling of the cell swelling of the cell until it bursts swelling of