Ecb refers to:
a. a genetically engineered plant that is resistant to insect pests
b. edible corn byproducts
c. an insect pest that reduces corn yield
d. european corn borer
e. c and d
2. how many days are required for a corn seed to become a mature plant with maximum weight kernels ready to be harvested?
a. about 23
b. about 65
c. about 140
d. about 180
3. "bt corn" refers to corn that:
a. has been infested with insect pests
b. has been infected with bacteria
c. is resistant to ecb
d. is not affected by pesticides
4. bt is:
a. a stomach poison produced by bacteria
b. a genetically engineered corn product
c. a bacterium carried by the european corn borer
d. a bacterium that has a gene

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

Consider the motion of the balloon and its air contents in terms of momentum. in step 1 above, the total momentum of the balloon and its contents was zero. recall that momentum = mv. both the balloon and the air inside it had a velocity of zero and therefore the total momentum was zero. now think about what happened when the air escaped from the balloon. a certain mass of air accelerated in one direction. in order to keep the total momentum of the system zero, the balloon itself (which has mass) had to accelerate in the opposite direction. use this scenario to you explain why the soda can rotates when the water squirts out of the escape holes. what was your hypothesis concerning the water-filled can? according to your data, do you think your hypothesis was correct? (be sure to refer to your data when answering this question.) summarize any difficulties or problems you had in performing the experiment that might have affected the results. describe how you might change the procedure to avoid these problems. give at least one more example of newton's third law in everyday life.

Anton created a chart listing different types of materials. which best complete the chart?