Which statement is false? 1. type AB persons are called universal donors 2. type B persons are compatible with blood types B and O 3. type O person can only receive type O blood type 4. AB persons can receive blood types A, B, AB, and O

AB persons are called universal donors

Explanation:

from the statements listed in the question, the correct answer is AB type person  are called universal donors is a false statement  because AB type of person are called universal recepient , meaning they can obtain blood from any type of blood groups.

let me educate you more

Blood Groups                        you can give to                     you can receive from

O positive                               O+,B+, A+, AB+                    O+, O-                            

A positive                                A+,AB+                                O+, O-, A+, A-      

B positive                               B+, AB+                                 O+, O-, B+,B-                

AB positive                            AB+ only                           ALL TYPE OF BLOOD

O negative                        all types of blood                  O-  only                        

A negative                         A-, A+, AB-, AB+                  A-, O-                      

B negative                          B-, B+,AB-, AB+                    B-, O-                            

AB Negative                       AB-, AB+                            A-,B-, AB-, O-      

to prevent people from getting the ebola virus, countries around the world paid to doctors develop a new vaccine. now that the vaccine has been made, doctors will need to experiment on a large number of people to find out if it works safely.

what is the greatest limitation that scientists are dealing with as they try to figure out how to experiment with the ebola vaccine?

meditation is a practice of sitting still and quiet for minutes or even hours. it has been practiced for thousands of years and is even a part of religious practices for some people. carefully controlled, repeated measurements of brain activity have shown that meditation does increase certain chemicals in the brain and even grows the part of the brain that people connect with their current surroundings and activities.

are claims about the effects of meditation most likely scientific or pseudoscientific?

not pseudoscientific, because people have made claims about it but scientific observations have not been made