All of the following processes result in energy loss from an ecosystem EXCEPT for:

When we sweat, we lose heat because:

Removal of forests may cause all of the following EXCEPT

The gas released by baking powder is:

In which of the following countries is proportional representation practised?

Which of the following is NOT a way in which infectious diseases can be transmitted?

On January 1, a firm's capital is $4,600. On December 31, of the same year, the following information was provided: Drawings $850, Total Assets $10,000. Loan Outstanding $950 and Creditors $4,000. What was the Net Profit that year?

Natural Increase in Population

The natural increase in population for country X in 2006 was

The following statements refer to the laminated core of a transformer. Which one of them is NOT true?

Which of the following would play an important part in a government′s efforts to increase consumption of locally produced food?

Which of the following are examples of environmental variation in humans?
Ⅰ hair colour
Ⅱ height
Ⅲ intelligence
Ⅳ body mass

At 20 ℃ all of the halogens are:

Some plants reproduce by forming bulbs. The new plants that grow from the bulbs will be genetically identical
because:

The halogen used to make bleach is called:

Leaves are thin and flat:

January 1, 1999 a trader bought 100 articles at $5.00 each. During the month 70 Of the articles were sold at $8.00 each and the remainder were sold on January at the market value of $3.00 each. What was the gross for the month?

In a water condenser the cooling water enters at:

If the relative atomic mass (RAM) = 1 for hydrogen and 16 for oxygen, the formula mass for H₂O₂ is:

The optimum pH for most enzyme action is: