The digestive tracts of termites contain several species of bacteria. These bacteria produce enzymes that digest cellulose and lignin, the principal components of wood. Which statement correctly describes the association between termites and bacteria?

Bacteria compete for food by harming termites.
Bacteria compete for food by harming termites.

Bacteria obtain food from termites while helping termites digest wood.
Bacteria obtain food from termites while helping termites digest wood.

Bacteria obtain food from termites while harming their digestive tracts.
Bacteria obtain food from termites while harming their digestive tracts.

Bacteria compete for food without harming or helping termites.

In tossing one coin 10 times, what are your chances for tossing a head? a tail? 2. in tossing one coin 100 times, what are your chances for tossing a head? a tail? 3. in tossing one coin 200 times, what are your chances for tossing a head? a tail? deviation = ((absolute value of the difference between expected heads and observed heads) + (absolute value of the difference between expected tails and observed tails)) divided by total number of tosses. this value should always be positive. 4. what is the deviation for 10 tosses? 5. what is the deviation for the 100 tosses? 6. what is the deviation for 200 tosses? 7. how does increasing the total number of coin tosses from 10 to 100 affect the deviation? 8. how does increasing the total number of tosses from 100 to 200 affect the deviation? 9. what two important probability principles were established in this exercise? 10. the percent of occurrence is the obtained results divided by the total tosses and multiplied by 100%. toss the coins 100 times and record your results. calculate the percent occurrence for each combination. percent head-head occurrence: percent tail-tail occurrence: percent head-tail occurrence:

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half

Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give