The arrangement of the pattern of the veins on the leaf is referred as the venation of the leaf.
The monocots and the dicots exhibit different venation pattern. The monocots generally exhibit the parallel venation pattern. While, the dicots represent reticulated venation.
This difference is present due to the presence of number of cotyledons in the seed.
Answer:
Explain why one person has green eyes while another person has brown eyes.
Use these words: function of DNA
protein
gene
sequence
nitrogenous bases
Explanation:
Explain why one person has green eyes while another person has brown eyes.
Use these words: function of DNA
protein
gene
sequence
nitrogenous bases
Answer:
Quartzite is a metamorphic rock formed when quartz-rich sandstone or chert has been exposed to high temperatures and pressures. Such conditions fuse the quartz grains together forming a dense, hard, equigranular rock. The name quartzite implies not only a high degree of induration (hardness), but also a high quartz content. Quartzite generally comprises greater than 90% percent quartz, and some examples, containing up to 99% quartz, and are the largest and purest concentrations of silica in the Earth's crust. Although a quartz-rich sandstone can look similar to quartzite, a fresh broken surface of quartzite will show breakage across quartz grains, whereas the sandstone will break around quartz grains. Quartzite also tends to have a sugary appearance and glassy lustre. The variety of colours displayed by quartzite are a consequence of minor amounts of impurities being incorporated with the quartz during metamorphism. Although quartzite can sometimes appear superficially similar to marble, a piece of quartzite will not be able to be scratched by a metal blade, and quartzite will not fizz on contact with dilute hydrochloric acid.Explanation:
Answer:
300% - 400%
Explanation:
The cardiac reserve is in the range of 300 to 400 percent (300% - 400%
) in normal young adults, while this percentage can be increased to 600% in trained athletes
