Veins may look like white stripes cutting across a body of rock.
a. true
b. false
Answer: a. true
Environmental & Atmospheric Sciences
You might also like to view...
Alley cropping, agroforestry and terracing are all methods of reducing ____________________
Fill in the blanks with correct word
Environmental & Atmospheric Sciences
A complex network of glands that release tiny amounts of hormones into the bloodstream of humans and other vertebrates is collectively known as the ____ system.
A. digestive B. endocrine C. excretory D. circulatory E. immune
Environmental & Atmospheric Sciences
_______ as a population less than ten percent of its previous levels
Fill in the blank(s) with correct word
Environmental & Atmospheric Sciences
Nitrogen dioxide (NO2) reacts with ____ in the atmosphere to form nitric acid (HNO3)
a. hydrogen b. water vapor c. ozone d. carbon dioxide e. sulfur dioxide
Environmental & Atmospheric Sciences