Suppose the distance to the moon were twice its actual value. would it still be possible to have a total solar eclipse? why or why not?

What is the goal of the Kyoto Protocol? 1) to decrease agricultural runoff 2) to improve soil quality 3) to increase biodiversity 4) to reduce greenhouse gases

what IS the threat of GMOs. One major food chain has stopped selling GMO-related foods and there have been some criticisms of this move. Are they really that dangerous? What does the data show?

Apakah perkembangan yang berlaku pada zaman pleistosen

How do you calculate time zones?

Do Taurus and Virgos get along?

Which of the following is (are) TRUE in plants? a. Mitosis occurs in gametophytes to produce gametes. b. Meiosis occurs in sporophytes to produce spores. c. The gametophyte is within the flower in angiosperms.

The Gibraltar connects what two bodies of water?

Estonia, Lithuania, Ukraine, Belarus, and Moldova once comprised Yugoslavia. True False

Where do most volcanos form A) In the ocean B) Over a hotspot C) At plate boundaries

Which of these is not an environmental effect of destroying wetlands A. loss of habitat B. increased air temperature C. poor absorption of rain water D. unfiltered water