The more polar A compound moves ahead of the less polar B compound.
Explanation:
The analytical process that involves the separation of colored substance or chemicals is named as paper chromatography, a replacement of thin-layer chromatography. In this method, there is the use of two solvents and rotation of paper at 
. It helps in isolating two complex compounds of equal polarity.
A non-polar mixture of solvent is required in the mobile phase of this method. In accordance with the retention factor of this process, the more polar compound A will go further than compound B as the solvent is non-polar.
Explanation:
When a person opens the door, he or she uses 3 systems:
1. Nervous system: from the nervous system, neural instructions are generated through electrical impulses towards the muscles of the upper limb so that they make the necessary movements to open the door.
2. Muscular system: through the muscles of the trunk and the upper limb, it generates voluntary movement to open the door.
3. Skeletal system: the bones are the support of the soft tissues and the fulcrum of most of the skeletal muscles. In this sense, it serves as a support for the muscles of the trunk and the upper limb to carry out the movement of opening the door.
we can conclude that the correct answer is:
Answer:
1. Nervous system: instructions are generated from the nervous system by means of electrical impulses towards the muscles of the upper limb so that they carry out the necessary movements to open the door.
2. Muscular system: the muscles of the trunk and the upper limb generate voluntary movement to open the door.
3. Skeletal system: it supports the muscles of the trunk and the upper limb to carry out the door opening movement. It also has joints that help the mechanical movements necessary to open the door.
In the medical profession, understanding the body position, direction and planes creates a common ground for the professionals to communicate in their work. For instance, if a nurse write down a medical note concerning a patient, the doctor will know exactly the part of the body that the nurse is referring to in her notes. It also makes it easy for doctors and nurses to diagnose the parts of the body where their patients are having problems. Thus, knowledge of human anatomy provides uniformity and precision in structures identification.
Wolf emigration will bring about the rabbit population increasing.
<h3>What is Emigration?</h3>
Emigration is defined as the movement of organisms away from a particular
area or habitat.
We are aware that Wolves feed on rabbits as a means of food in the
grassland ecosystem. This translates to the following below:
- The greater the wolves the lesser the rabbit
- The lesser the wolves, the higher the rabbit.
This therefore means that wolf emigration will bring about the rabbit
population increasing which makes option B the most appropriate choice.
Read more about Emigration here brainly.com/question/1289209
D) the earthworm measurement is accurate because moore subtracted the beginning and ending points from the ruler
