5 UNER ONS
In an experiment, two glass habes were filled with different somalie
A and B. The glass tubes were placed in a busin of water and left to stand
for
days.
the rise of water column in ruch solisemple
and recorded each day for 5 days as shown
DAYS Rise of water colymolan
Soil Sample A
Soil Somple B
ㅗ
12
2
24
3
26
32
37
4
27
27
5
32
What soil factor was being investigated?

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.