A typical soil contains mineral particles, humus, water, air and:

An example of an air pollutant is:

Which of the following are advantages of asexual reproduction in a flowering plant?
Ⅰ Large numbers of offspring are rapidly produced.
Ⅱ Favourable genotypes are maintained from one generation to the next.
Ⅲ The plant does not need to rely on wind or insects for pollination.
Ⅳ Several identical individuals grow close together.

In the figure above, AB || CD and ∠BAD = 32° . ∠APC =

The catalyst in the Haber Process is:

A __________ is the smallest addressable unit on a disk

We lose water mainly in:

If a reaction takes 50 seconds at 25 ℃, then at 50 ℃ the time for the reaction in seconds is likely to be about:

THE ITEM is based on the following statement.

John, Simon and Harry are cousins who live in the same house.

Which of the following terms BEST describes their relationship?

The average of a set of numbers reduces from 14 to 11 when the number 35 is removed. How many numbers were in the original set?

The active catalyst in a car′s catalytic converter is:

Biological catalysts in yeast are called:

The voltages from the electrochemical series are -2.92 for potassium and +0.34 for copper, which shows that:

Seeds are dispersed from the parent plant:

When testing a leaf for the presence of starch, the correct sequence of procedures is:

The site of reabsorption of MOST of the water from the filtrate.

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?

1 mole of gas occupies 24 litres at room temperature and pressure, so the number of moles in
72 litres is:

After a 10% discount, an article is sold for $360. The price before the discount was

Atherosclerosis is a process in which: