During the month of February, Rubio Services had cash receipts of $8,100 and cash disbursements of $9,800. The February 28 cash balance was $3,000. What was the February 1 beginning cash balance?

$4,700

Explanation:

Given that,

Rubio Services had cash receipts = $8,100

Cash disbursements = $9,800

Cash balance on February 28 = $3,000

February 1 beginning cash balance:

= Ending cash balance + Cash disbursements - Cash receipts

= $3,000 + $9,800 - $8,100

= $4,700

Therefore, the beginning cash balance for the month of February is $4,700.

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.'

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