Which of the following is an obstacle to creating computer-based models for tracking a hurricane? (2 points)
a. hurricanes form over water, where it is difficult to observe them.
b. most sources of data about hurricanes are anecdotal & unreliable.
c. forecasters must consider a large number of variables that affect the path of the storm.
d. all of the above

Deer cave cannot support photosynthesis is as not enough sunlight is present. in spite of this, it still has a complex food chain. what is the energy foundation of this food chain?

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight

Which statement is not an accurate description of meiosis? a) meiosis produces offspring that are genetically diverse. b) meiosis produces offspring that are identical to the parent. c) in sexual reproduction half of the genetic material comes from the father (sperm) and half of the genetic material comes from the mother (egg). d) meiosis decreases the number of chromosomes by half so that when a sperm fertilizes an egg, the resulting zygote has the correct number of chromosomes.