Answer: (A) Genetic changes can be designed to make cows yield more milk.
Explanation: Milk yield per cow has more than <u>doubled</u> in the previous 40 years and many cows now produce more than 20,000 kg of milk per lactation due to genetic changes. <u>This shows that genetic changes to make cows yield more milk has already occurred.</u>
Make an appointment with your doctor if you're feeling fatigued for unexplained reasons. Some anemias, such as iron deficiency anemia or vitamin B-12 deficiency, are common.
Fatigue has many causes besides anemia, so don't assume that if you're tired you must be anemic. Some people learn that their hemoglobin is low, which indicates anemia, when they go to donate blood. If you're told that you can't donate blood because of low hemoglobin, make an appointment with your doctor.
Answer:
Light escapes through the partially reflective mirror, not the highly reflected mirror.
Answer:
b.) because its the only thing he can really control and it stays the same through out the entire experment
Explanation:
