Which of the following farming practices use water most efficiently? select two

-tilling soil

-planting perennial crops

-using drip irrigation

-planting annual crops

-using sprinklers

Explain why malaria is still a problem even when we know of ways to control it.

Question delineates the parameters of the study and the degree of depth that will be need.

Genes a, b, and c are known to be in that linear order in an organism. A testcross is done that yields 20 double crossover progeny out of a total of 1000 offspring. Assume that there is no interference.

Which of the following statements is true regarding a trihybrid cross between two true-breeding homozygous individuals with contrasting phenotypes?

2. Why should you never use the coarse adjustment knob on high power?

Why is it necessary to do a spinal tap when you suspect a bacterial infection of the central nervous system? why can't you use a blood test?

Name the major greenhouse gasses and how they get into the atmosphere

Which type of cell goes through the determination process?

What organic molecule is the basis of enzymes.?

Which transport mechanisms require the formation of a vesicles to transport material into or out of the cell? A: diffusion and osmosis B: exocytosis and calcium pumps C: exocytosis and endocytosis D: diffusion and facilitated diffusion