Answer:
The correct answer is methane . Nature constitutes most of the substances made up of organic compounds. These compounds have carbon atoms attached with hydrogen atoms with a chemical bond (very few compounds may not have this bond).
Answer:
C. YyRr
Explanation:
The cross was done between pure-bred Yellow Wrinkled and Green Round plants. The genotype of the pure breeding yellow wrinkled parent plant: YYrr. The genotype of the pure breeding green round parent plant: yyRR.
A cross between YYrr and yyRR would obtain the progeny in the following ratios:
YYrr x yyRR= All YyRr (yellow and round)
The correct answer fro above statement is:
<h3>clay</h3><h3>sand
</h3><h3>silt</h3><h3>Explanation:</h3>
Soil scraps vary considerably in size, and soil specialists incorporate soil particles into sand, silt, and clay. Beginning with the least, clay particles are less than 0.002 mm in diameter. Some clay particles are so little that normal microscopes do not show them. Silt particles are from 0.002 to 0.05 mm in broadness.
Answer:
The cell was first discovered and named by Robert Hooke in 1665. He remarked that it looked strangely similar to cellula or small rooms which monks inhabited, thus deriving the name. However what Hooke actually saw was the dead cell walls of plant cells (cork) as it appeared under the microscope.
