What part of the lower respiratory tract is made up of tiny air sacs where oxygen and carbon dioxide are exchanged?

a. Bronchioles

b. Larynx

c. Alveoli

d. Trachea

Which of the following are benefits of genetic engineering? 1) new vaccines 2) creation of toxic waste 3) sterile offspring 4) cancer 5) drugs seedless grapes

Both artificial selection and genetic engineering produce organims that have traits that are different from the original organims. Explain how these two techniques differ

Study this model of Earth, the Moon, and the Sun. In this model, number 1 represents and number 2 represents and number 3 represents

Which of the following pleces of information would likely be found on an economic activity map? O A. distribution of mineral deposits B. land elevations C. annual precipitation D. climate zones

Edward planted some potatoes in his backyard. How will his potato plants get energy needed to grow? A) From the water in the soil B) By relying on other consumers They change sunlight to sugar. D) From fertilizer added to the soil

Which plant is often used as a soil conditioner Some Moss A Fern Some Horsetail Or maybe some Hornwort I just put my own little twist in words but the questions are Moss, Fern, Horsetail, and Hornwort

Astronomers studying the planet of Acer have detected igneous rock under its surface. One astronomer makes a claim that some of the material that this igneous rock formed from used to be in sedimentary rock on the surface of Acer.

What is withheld and how does it pertain to capitation payments?

Do acidic conditions deactivate amylase?

The lining of the stomach and the muscle it sits on are examples of ... Together they form the ... called the stomach.