The answer is 20 moles of water.

In nature, we can leaf veins of the type of root and flower morphology to distinguish these two types of plants. In general, as apple trees, poplar, elm, locust, cotton, sunflower and other dicotyledonous plants, their leaves have net venation; while wheat, rice, bamboo, iris, etc. The leaves of monocotyledons or parallel venation arc pulse … Read more

Canada is the world's richest countries, is one of the Western Group of Seven homes and one of the world's top ten trading nations. Manufacturing and high-tech industries. Main exports of motor vehicles and parts, other industrial products, forest products, metals and energy products.

① confirm maintenance and consolidation of state power; ② effective operation of regulation of State power, to prevent power abuse, which   constitutional democracy Xing of expression.   (2) the role of constitutional law mainly in: ① the completeness and integrity of the promotion of the rule of law; ② promotion of the unity of the legal system. … Read more

Children give up on themselves, behavioral disorder, social activities occur in aggressive behavior, or the opposite: To fear, academic failure, always wanted to commit suicide, was roaming disease, the future can not adapt to adult life, their offspring were also abused.

Its Length  is x+5,and its  width is x-5.

Across the terrain from north to south into three areas: The Northwest and Northern Andes and Maracaibo lowlands, is the Orinoco flood plain in central and southern highlands of Guyana.

It is an adverb.

CMOS ROM itself is only a memory, only the data storage capabilities, while the CMOS settings for the various parameters through special procedures.

The child is eventually must turn over to the guardian to manage, but must look how you do go to the tube, could not loose not be able to be too tight. Because the child in most starts anything not to understand, wants the guardian to teach, the guardian is the child's first teacher. If … Read more

Seed in suitable conditions, began to germinate, the process is; seed swelling, increased respiration, soften the seed coat, radicle first growth, a breakthrough from the kind of hole in the seed coat, down to the formation of main root growth, when the radicle length to a certain extent, the growth of hypocotyl and embryo began … Read more

It refers to the two areas the difference between local time.

The Most Important Element  is the person.

2x-3y=8,4x+3y=-2 so 6x=6,so x=1,y=-2.

Perhaps he tired, or he does not love you.

It is the study of drugs and their dosage forms in the body's absorption, distribution, metabolism and excretion of the process, clarify the factors of drug dosage forms and human biological factors and the relationship between the efficacy of a science.

(y + 3)²=81,so y +3=9 or y+3=-9, so y=6 or y= -12.

It is not acceptable to hear voice, but also the use of call-back.

Archaea are usually harmless to other organisms, and the unknown are pathogenic Archaea.

Octopus's body showed the typical cystic; head and body boundaries is not obvious, there is a large compound eyes and eight retractable wrist. Each have two rows of fleshy wrist sucker, can effectively grip other thing. The base of the wrist called the skirt with webbed organization linked to the center of a mouth. I … Read more