Answer:The net force is the sum of all the forces acted upon an object. The direction of force depends on which side you are taking as a positive and negative force. If the force of 22 newtons is positive and the force of 13 newtons is negative, they are actng on the object on different directions, thus in order to get the net force, we just sum them up.
newtons
The net force is +9 Newtons.
Explanation
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The real answer is B. Facilitated transport.
Answer:
The carbon cycle is nature's way of reusing carbon atoms, which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over and over again. Most carbon is stored in rocks and sediments, while the rest is stored in the ocean, atmosphere, and living organisms
Explanation:
A) Lifting a 1kg mass for 1 m
The correct option are as follows:
cholera is a bacterial infection of the small intestine.
vaccination provides protection against cholera.
the cholera vaccine is made up of a weakened form of the bacteria that causes cholera.
the vaccine will stimulate production and elicit an immune response.
- If the infection occurs again, the body will produce an even greater attack on the bacteria because of acquired immunity.
- By injecting a heat-killed, weakened organism or its component (antigen) into the body, vaccination aids in the development of immunity. Memory cells and antibodies are produced as a result.
- Memory cells aid in the development of immunological memory, which helps the immune system to respond to microorganisms that the body has previously encountered with greater strength and efficiency during a secondary immune response.
- Memory B cells and memory T cells aid in the development of immunological memory.
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