Level-1
1. complete the web diagram given below.
separation techniques
to separate a
solids from solids
to separate a mixture of
insoluble solids from liquids
to separate a mixture of
soluble solids in liquids
2. name suitable methods to separate the following mixtures.
water and kerosene -

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils. the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

Acontrol during an experiment. might change remains constant does not exist does change