Anaerobic respiration takes place:

When zinc metal is added to copper sulphate solution the products are copper and zinc sulphate solution, so the material that has been displaced must be:

If p * q = pq² , then 2 * 3 =

Which one of the following is correct. When we digest our food:

A financial institution needs only to provide the caller with a limited amount of information. A __________ system is ideal to satisfy this need.

Choose the ONE underlined part A, B or C that is inappropriate. If the sentence is acceptable as it stands, choose D.

As the teacher continued his lesson, John began to lose all interest, imagining himself laying on his bed relaxing.

Herbicides are used to destroy:

If x = 3² × 2³, then x⁴ =

Which of the following BEST explains why birth rates have been falling in some Caribbean countries?

Which of the following transactions will NOT affect capital?

When gas particles spread out we call it:

The statements refer to a fuse. Which one is true?

Which of the following statements about photosynthesis is NOT true?

A cell in an embryo divides by mitosis three times in succession. How many cells will be formed from these divisions?

Which of one the following statements about phloem cells is NOT true?

75 g of freshly dug soil was placed in an oven at 105 ℃ for 24 hours. It was allowed to cool, then reweighed. If the final mass of the dry soil was 66 g, what was the % water content of the original soil sample?

Absolute zero is:

An enzyme which has an optimum pH of 3 will function best in the:

When something gets hotter, the particles in it gain more:

If closing stock Were overstated by $1,000 at the end of a trading period, the error would result in an