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What aspect of beryllium allows it to absorb x-rays?
Distance over time in a given direction determines velocity.
The two main types of diabetes are insulin-dependent and non-insulin-dependent. There are two different main types of diabetes.
All mammals have four limbs.
Injuries can be prevented by getting proper rest and recovery.
An ether is an organic compound in which two hydrocarbon groups are bonded to the same oxygen atom.
Lithium has three electrons.
Resistors connected end to end are said to be in series.
Nucleus The very high density central part of an atom consisting of protons and neutrons . Protons and neutrons are located in the central nucleus.
What grows through blue cheese that gives it the distinctive appearance and flavor?
Community interactions are important factors in natural selection.
Roundworms exemplify what type of organization, where two or more types of tissues work together to perform a particular function as an organ?
If two populations do not mate and produce fertile offspring, what results?
Life cycle is the term for the span in the life of an organism from one generation to the next.
What is the force that causes centripetal acceleration?
One might find deciduous trees in a humid continental climate.
Enrico fermi is the name of the scientist who named neutrinos.
How does carbon dioxide chemically weather rocks?
Which animal is preparing for a seasonal change in the environment?
The opening in the front of the eye is called pupil.
Uneven heating of the atmosphere form weather patterns.
Elements are pure substances that make up what?
Elements are pure substances that make up all matter.
Electrons always result in an anion that is larger than the parent atom.
During phase change, the temperature of a system remains constant.
Do placental mammals give birth to relatively small or large fetuses?
Melanocytes are located in which layer of the epidermis?
Intervertebral disc An intervertebral disc is the flexible plate of fibrocartilage that connects any two adjacent vertebrae in the backbone or spine. Intervertebral discs are made of fibrocartilage.
There are about 50,000 vertebrate species, and they are placed in how many different classes?
What is the suns innermost layer called?
What gland secretes its products directly into the urethra through several small ducts
A galaxy is best described as a cluster of billions of stars.
Around 1200 species of what broad animal group are currently at risk of extinction due to human activity?
Local winds blow only over a limited area.
Weight is the measurment of the force of gravity on a mass. Weight is the measure of the force of gravity pulling down on an object.
Carbon is the most found element in living organisms.
Pheromones enable what, which is vital for organisms like ants that live in a large community?
What causes acid rain, ozone depletion, and global warming?
Starches are complex carbohydrates that are the polymers of glucose.
Pneumonia and emphysema illnesses are caused by damage to the alveoli of the lungs.
The cardiovascular system moves nutrients and other substances throughout the body.
The triceps help the body extend the arm.
What happens if a catalyst runs out?
Roundworms exemplify what type of organization, where two or more types of tissues work together to perform a particular function as an organ?
Water takes the form of ice on planet mars.
Ground tissue makes up most of the inside of a plant.
Air pollution causes acid rain, ozone depletion, and global warming.
Damages and deaths are directly affected by construction in an earthquake.
Two characteristics of mammals that are at least sometimes preserved in the fossil record are (1) the mammalian middle ear contains a chain of three bones, the malleus, incus, and stapes; The mammalian middle ear has three bones.
A healthy diet is important because it supplies the body’s needs for growth and energy.
What happens to a chain of amino acids after it reaches a stop codon?
Electromagnetism is magnetism produced by an electrical current.
What type of compound contains atoms of two or more different elements in its ring structure?
A(n) electroscope is used to study charge.
Zeroes that show only where the decimal point falls are not significant.
ADENOSINE TRIPHOSPHATE ATP is the major energy-carrying molecule of living cells, storing and releasing chemical energy for cellular activities as needed. Atp or adenozine triphosphate is used for most energy functions in organisms.
Terrestrial biomes are associated with land, while aquatic ones are associated with what?
The planets orbit around the sun.
From observations as simple as blowing up a balloon, it is clear that increasing the amount of gas increases what else?
What term refers to larger evolutionary changes that result in new species?
What type of lenses can correct myopia?
What is the earths crust composed of?
Gene expression and what else are usually considered the same molecular process?
Microscopes were first developed in the early 1600s by this trade?
From observations as simple as blowing up a balloon, it is clear that increasing the amount of gas increases the volume.
What field of study is called the language of science?
Muscles need stimulus to contract.
Tamiflu inhibits spread of virus.
The efficiency is lowest in decomposer transfers where vast amounts of heat are lost as organic molecules are broken into simple inorganic molecules. Decomposers release inorganic molecules once they have broken down the dead organisms.
Electrons always result in an anion that is larger than the parent atom.
A parallel circuit is best described as: electricity flows along more than one pathway
Allele frequecy is the rate at which a specific allele appears within a population.
A frog has lungs, tadpoles none. A frog develops (a/an) lungs as it changes from a tadpole to an adult frog.
If an accident happens during a science experiment, the first thing a student should do is report to the teacher.
Precipitation and runoff in the water cycle are primarily responsible for the creation of a lake.
When the ground absorbs the water and it settles below the surface it is called groundwater.
Density allows cut logs to float on water.
Which human body system system moves nutrients and other substances throughout the body?
What is the term for cellular eating?
Community interactions are important factors in natural selection.
Meter much distance can beta particles travel through air.
What spreads sti during sexual contact?
Bases normally have a bitter taste.
What do you call the lightless part of the ocean?
Because momentum is the product of the mass and the velocity of an object, that both mass and velocity affect the momentum of an object. Momentum is directly related to both mass and velocity.
The process for developing knowledge is called science.
A turbine using tides in the ocean can create what type of energy?
Meninges The three-layered set of membranes that enclose the brain and spinal cord. The three layers of protective coverings of the spinal cord is called the meninges.
Modern plants have three types of major tissues.
What is the suns innermost layer called?
What units are typically used to measure heats of reaction?
As a diver descends, the increase in pressure causes the body’s air pockets in the ears and lungs to compress.
Iguassu falls is the largest waterfall on the planet.
The strong affinity of concentrated sulfuric acid for water makes it a good agent of what?
The main advantage of urea is its very low toxicity.
A(n) concussion is the most common type of brain injury.
In what state do ionic compounds best conduct electricity?
Carbon dioxide is CO 2 , which means there is one atom of carbon and two atoms of oxygen in the molecule. Carbon dioxide molecules consist of a central carbon atom bonded to two oxygen atoms.
Which food is a fruit?
What results when the water vapor from a hot shower contacts the cooler surface of a mirror?