Ann is interested in purchasing ted's factory. since ann is a poor negotiator, she hires mary to negotiate the purchase price. identify the parties to this transaction.

a) mary is the principal and ann is the agent.
b) ted is the principal and ann is the agent.
c) mary is the agent while ted and ann together are principals.
d) ann is the principal and mary is the agent.

d) Ann is the principal and Mary is the agent.

Explanation:

In the given condition, Ann is unable to do negotiate so she hires Mary who works for Ann.  

Ann is the principal as she is interested to purchase Ted's factory which represents the main role of the agreement. Without Ann, the agreement would not be completed whereas Mary is the agent as she does the negotiations on behalf of Ann.  

Hence, option d is correct

ans.

heterothermic organisms include those organisms that can switch between homeothermic (having body temperature higher than environment) and poikilothermic (having variation in internal body temperature) strategies.

some migratory birds show heterothermy as they decrease their metabolic rate during cold nights to keep their body temperature low. drop in metabolic rate allows increase in production efficiency of birds that reduces the internal body temperature to make it equal to external cold temperature during cold nights.

thus, the correct answer is 'birds allow their temperature drop in order to increase their production efficiency.'

the correct answer is d. wealthy colonists to take care of the less fortunate. hope this