Which of the following statements about clear cutting is false? a) It is the most cost-effective way to harvest trees
b) When done on a small scale, it can benefit some wildlife species
c) It increases soil erosion and causes mudslides
d) Clear cutting forests at higher altitudes is more difficult to regenerate than low altitudes
e) None of these statements is false

Coal combustion produces which of the following waste products? i. tar ii. methane iii. electricity i only ii only i and ii ii and iii i, ii, and iii

Ahigh school teacher wants to study the seating habits of students in the cafeteria to determine if students sit in the same seats or change seats from day to day. she sits in the cafeteria for several days, and without interacting with the students, records where they sit each day. what is a potential benefit of this type of research? there is an independent variable. there is a dependent variable. the researcher can gain personal information about an individual. the participants act normally. the information can be gathered over a period of several years.

This table shows data collected by a weather station. if these trends continue, what weather can you predict for the region for the upcoming week? day 1 day 2 day 3 temperature, upper atmosphere (ºf) 45 44 43 temperature, surface (ºf) 61 59 55 air pressure (inches of mercury) 30.00 29.96 29.50 a. fair skies, warm weather b. a blizzard c. rain storms d. a few clouds, but very cold