science asvab 25-50

what is false about elements?

the mass number is the number of neutrons contained in a single atom.

which type of rock is formed by cooling lava?

igneous

what type of rock is formed by the compacting of small rock, minerals and organic particles?

sedimentary

what type of rock is formed by EXTREME heat, pressure OR chemical action on existing rock?

metamorphic

which subatomic particle is not located in the nucleus of an atom?

electrons

what statement about pH value is true?

it measures concentrations of hydrogen ions

which statement is false?

cells are found in DNA

which biome is characterized by cold tempt and an abundance of evergreen trees?

taiga

cell functions are accomplished by structure called?

organelles

what is a characteristic of meiosis ?

after division, cells are genetically different.

anemometer is used to measure what?

wind speed

mitochondria produce energy for a cell through what process ?

respiration

biennials are plans that___

have a 2 year growing cycle.

layers of earth atmosph in order of increasing altitude

troposphere, stratosphere, mesosphere, thermosphere

planets furthest away from sun?

uranus, saturn, venus

skin is part of what bodily system?

immune system

which is not part of the kingdoms organisms recognized by biolgists?

order

what is the protective layer on leaves/ protects from diseases?

cuticle

cell _____ are made up of DNA

chromosomes

the pituitary gland is part of what bodily system?

endocrine system

which geologic eras is most recent?

cenozoic era

which is not a DNA base?

phosphate?

what does the arteries do?

carry blood away from the heart.