We will use the Descartes` rule of signs and see how many times the signs change from positive to negative and from negative to positive from one term to the next ( two consecutive terms are with different signs ).
In this case it is 4 times ( +7x13 to -12x9, -12x9 to +16x5, +6x5 to -23 x and finally -23x to +42 ).
Answer: There are 4 real zeroes.
The chemical that caused decline of the eagle population is pesticide DDT
Answer:
All living things can breathe air
Explanation:
Fishes dont breathe air, and yet theyre very much living things.
Two structural characteristics that triglycerides and phospholipids have in common are that they are both composed of fatty acids? The fatty acids are attached to a molecule called glycerol and fatty acyl tails
Answer:
Answer is D.
Explanation:
The first cleavage division can be explained or described as the series of first cellular division of the zygote after fertilization.
In this case, the process of recoiling of the shell of the snail can not be categorized as one of the examples at this stage.
