The following are properties of distereoisomers except (a) They have R & S configuration atleast in one stereocentre

(b) They are not mirror images

(c) They have the same physical and chemical properties

(d) Not all distereoisomers are optical active​

Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?

Give more examples of this type of heat transfer:

Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.