BIOLOGY HIGH SCHOOL

The process in which rocks are formed, change, and break down is called Rock transition
Volcanic activity
The Earth cycle
The rock cycle

Answers

Answer 1
Answer: The Rock Cycle is the process in which rocks are formed, changed, and broken down. An igneous rock can either change into a sedimentary or into a metamorphic rock; just the same that a sedimentary rock can change into an igneous rock or metamorphic rock. Factors like heat, water, and air can break and form new types of rocks in a continuous cycle. 

The rock cycle never stops; it is a continuous process that occurs through time. A mountain that is composed of metamorphic rocks can easily be washed away by streams and new sedimentary rocks can be formed through this process. 

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HIGH SCHOOL

Before mitosis begins, a cell makes a copy of the DNA in the nucleus. What term is used to describe this process of making an exact copy of the DNA? A)
duplication
B)
fertilization
C)
hybridization
Eliminate
D)
replication

Answers

Answer – D. Replication

Replication is the basis for biological inheritance in all living things. It is a biological process where one original DNA molecule makes an exact copy of itself (thus producing two new daughter cells) before the commencement of mitosis.
I am taking the test right now ... I say  D replication because it is replicating exactly the same thing 
COLLEGE

The solidification of sediment into rock is called _____.

Answers

That would be A. Hopefully I helped you out.

Answer:

The solidification of sediment into rock is called lithification

Explanation:

HIGH SCHOOL

What is the characteristic of a cell membrane that controls which substances can enter and exit the cell? A.) osmosis
B.) selective permeability
C.) diffusion
D.) concentration gradient

Answers

Answer: B.) selective permeability

Explanation:

The property or characteristic of cellular membrane to allow certain substances to pass through the cell is known as selective permeability. The movement of molecules and ions across the cell can be active or passive.

Osmosis is said to occur when molecules of solvent move from region of low concentration to region of high concentration through semi-permeable membrane.

Diffusion is the passive movement of ions or molecules from a region of higher concentration to a region of lower concentration till there is uniform concentration.

concentration gradient is the change of concentration over distance. Solutes move from higher concentration to lower concentration.

Thus, the characteristic of a cell membrane that controls which substances can enter and exit the cell is B.) selective permeability

B.) selectively permiable
MIDDLE SCHOOL

Short threadlike organelles that aid in locomotion are called

Answers

Flagella. Long threadlike organelles that stick out of the surface of eukaryotic cells and are used for locomotion(movement) Golgi Appartus. Found in the cytoplasm and is the Packaging and Distribution center of the cell. Hope I’ve helped ;)
HIGH SCHOOL

A molecule of one atom of carbon and two atoms of oxygen would be written _____. CO2 CO2 Co2 2CO

Answers

It could be written CO2
MIDDLE SCHOOL

Type of energy due to both position and motion of an object

Answers

Answer

Type of energy due to both position and motion of an object is called as mechanical energy.

Explanation

The mechanical energy which is due to motion is called kinetic energy and the energy which is possessed due to position or place is called as potential energy. The mechanical energy is both the kinetic and potential energy. For example, a moving car possesses kinetic energy. A drawn bow stores energy due to its position possesses potential energy. These both possess mechanical energy.

Should be Mechanical Energy

MIDDLE SCHOOL

Long-term changes in the water cycle can cause changes in an area's climate. Which of the following accurately describes such a change for an area that is far away from any body of water? A local, long-term increase in precipitation leads to a drier climate. A local, long-term decrease in evaporation leads to a drier climate. A local, long-term increase in evaporation leads to a more humid climate. A local, long-term decrease in precipitation leads to a drier climate.

Answers

A local, long term decrease in precipitation leads to a drier climate.
Areas where the frequency of precipitation decreases tend to develop a drier climate. This is due to the fact that there is no input of water into the land from above the ground, and underground water sources such as aquifers tend to become drier.

A local, long-term decrease in precipitation leads to a drier climate.

HIGH SCHOOL

portion of this DNA, known as a ________, is responsible for the inheritance of a trait, like eye color or blood type in humans. A) chromosome B) codon C) gene D) nucleotide

Answers

The answer is C) gene. Chromosome is a thread-like structure in the nucleus that consists of DNA and proteins. The basic units of DNA are nucleotides. A sequence of three nucleotides is known as codon. A gene is a sequence of nucleotides, i.e. portion of DNA responsible for the inheritance of different traits, such as eye color or blood type. Thus, the correct choice is C).

The answer is C: Gene

HIGH SCHOOL

The breaking down of material into smaller parts is known as what? weathering


erosion


oxidation


photosynthesis

Answers

Weathering because it's "wearing" down something to make sediment
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