C. They're carriers of a genetic disorder.
Genetic testing can help screen for variants/mutations in potential parents' DNA. If one or both parents test negative, they will know their child will not inherit the disorder. Likewise, if they both are carriers, there is a chance their child could be affected, which is helpful information in determining whether to have their own children, or how to address their child's possible disorder.
Answer:
D. A dairy cow produces milk over several years
Explanation:
A dairy cow is reared mainly for milk production and the cattle normally produces lots of milk as long as it’s well fed. This usually goes on for several years and provides income throughout that period and can then be used for beef purpose later on .
The beef cattle is usually slaughtered and the beef used immediately and has no long term use.
This is why dairy cow brings in more income than a beef cow.
Answer:
It is faster and depends on chemical messenger (hormone
I guess this one is right, to be sure ask from someone else 2
Explanation:
One of the most significant differences between the nervous system and endocrine system is that the nervous system uses electrical impulses to send messages through neurons while endocrine glands use hormones to send messages to the target cells through the bloodstream.
The term “water stress" describes the suffering in a region caused by the water scarcity (the lack of fresh water resources) in that area. Overconsumption, growing population , institutional or financial issues are also factor that contribute to water scarcity. Precipitation differences is not one of them. Correct answer: C
