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.
<u>Three types of genetically engineered plants are:
</u>
I) Corn- Corn contains phosphorous mineral which plays an essential role in the growth and maintenance of body tissues
II) Soy-Its function is to promote essential amino acids for human nutrition.
III) Alfalfa- This is a source of Vitamin A, C, E and K4 along with minerals such as calcium, potassium, and iron protein. It encourages healthier hair growth and strengthens hair.
Answer:I BELIEVE IS b
Explanation:
Windy things are for power and the power comes from wind
Low silica content,thick and fluid,forms dark colored rock.
What would happen if prey were added to the food web?
<span><span>Selected Answer: The population of predators could increase.</span><span>Correct Answer: The population of predators could increase.</span></span><span>Response Feedback:Think about how changing population changes the ratio of predators to prey.</span>
