I NEED MORE HELP Flashcards
What is the primary cause of the hypoxic zone in the Gulf of Mexico, near the mouth of the Mississippi River
High amounts of nitrogen and phosphorus from farming
How does the moon’s Gravitational force compare to the Earth’s
The Moon’s gravity is about one-sixth as strong as Earth
Respiration is a common exothermic reaction. What happens to the atom of oxygen found in the reactants
They form water and carbon dioxide molecules
What is velocity
IT is a speed in a certain direction, so a change in velocity means either a change in direction, or a change in speed.
What is the formula for speed
Speed= Distance elapsed÷time
What is the formula for acceleration
Acceleration= final velocity-initial velocity÷time
or
Fnet÷mass
When you push a shopping cart, the friction that is opposing the motion is called_______ friction
Rolling friction
What is the formula for work
Work= force x distance
What is the formula for power
Power= Work÷time
What is a first classed lever
The load is on one side of the fulcrum, and the effort is on the other side,
What is a second class lever
The fulcrum is on one side, the load is in the middle, and the effort is on the other side, like a wheelbarrow
What is a third class lever
The fulcrum is to one side, the effort is in the middle, and the load is one the other side, like you lifing trash with one hand.
What is the difference between a simple machine and a compound machine
A simple machine is a machine that does work in a single motion, while a compound machine combines a number of simple machines to produce a more complicated machine, like a can opener.
What are Erythrocytes
They are red blood cells, they carry hemoglobin, which is a protein that carries oxygen around in our bodies. It is the most abundant cell in our body, and it is made in bone marrow.
What are Leukocyte
Leukocytes are white blood cells, which help the immune system fight pathogens
What are Thrombocytes
They are platelets and they are the clotting factor in the plasma of the blood. Which happens through a process called coagulation.
What is the plasma of blood
It is the yellowish part of blood that contains electrolytes, hormones, clotting factors called platelets, protein, vitamins, ect.
What is the largest terrestrial biome on earth
Taiga
The negative in a circuit always goes to the……..
……Positive, not the other way around
What do the golgi bodies do in a cell
They package, sort, and distribute proteins and other products from the ER, and send them where they need to go.Wh
What is diffusion
It is the movement of molecules from an area of high to low concentration. Basically if things are highly concentrated, they would want to be less concentrated. Cells always wanted to find the Equilibrium, like how you breathe. It works both ways
What is Osmosis
Osmosis, is where water molecules move through a semi-permeable membrane to balance out density on both sides.
