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q is air travel time the similar whether or not the plane is flying with or against the rotation of the earthanswer-all air travel gets the earths
what are the main gas exchange organs of the plants how is the process accomplishedin the covering of the leaves and of the primary structure of the
why do plants need to exchange gases with the environmentplants require to do gas exchange because they create aerobic cellular respiration like
why do roots of many swamp plants have a special morphologyswamp and marsh plants usually present supporting roots that ramify from portions of the
what are secondary roots in origin how secondary roots differentiate from shootssecondary roots are ramifications of the primary major root the
for the same leg strength jumping technique weight affects how far one can jumpacceleration force masswith more mass you cant accelerate yourself
what is the root capthe root cap is a protective structure located in the tip of the growing root it protects the meristematic tissue of the root
which are the plant tissues that form the plant rootsthe roots have a central portion known as medulla made of vascular tissue inner xylem and outer
what is the leaf cuticlethe leaf cuticle is a thin waxy layer made of cutin and waxes on the outer surface of the leaf epidermis its function is to
why does bark often die and break naturallythe bark is the mature periderm of the stem branches and roots it dies and breaks when these structures
what are the plant root hairs where can they be found and what is their functionthe root hairs are external elongated projections of the root
how can light be classify in simplest formanswer-the common description of light visible is electromagnetic radiation visible to the human eye it is
q how greatly does sea salt weigh per cubic footanswer-sodium chloride nacl weighs 72
q what is the neutronanswer-a neutron is a subatomic particle its one of the building blocks of the atom it has a mass of in relation to 1675 x 10-27
q define specific gravityanswer-specific gravity sg is a unit fewer quantities that gives the scientist or engineers an idea of how dense a substance
q give one merit of a scanning electron microscope over a transmission electron microscopeanswer-the sem has turn into more popular than the tem as
q explain the steps to the scientific notationanswer-to write in scientific notation you must first move the decimal point of the number to where the
q how is radiation release from the bodyanswer-the body radiates energy by thermal conduction through the skin to the clothes air and so on around
q does sunlight reflected off a mirror raise the temperature of the sun-raysanswer-a standard planar mirror will not raise the energy contained in
q when a radar gun utter the pitch is 90 miles per hour at what point in the balls travel to home plate is the radar gun measuring the velocity
q how several pounds does one gallon of water weighanswer-one wine measure or else us gallon of water weighs 834 pounds an imposing gallon is ten
q what are the wave frontsanswer-physics a wave front is an fantasy surface joining all points in space that are reached at the same instant by a
q measure of elapsed period using the si unitanswer-1 this is the question that each true scientist dreads to be asked especially in a public setting
q how does the height and air pressure affect the boiling point of wateranswer-the only factor that finding the boiling point of water at any
which type of plant tissue is corkcork the material for example used to cap wine bottles is extracted from the suber of a special oak known as cork