Notes, summaries, assignments, exams, and problems for Baccalaureate

Classification of Resources

a) Natural Resources

These are resources derived from nature without human intervention. They include:

• Biotic Resources: Resources obtained from living organisms.
  • Examples: Forests, animals, fish, crops.
• Abiotic Resources: Resources derived from non-living entities.
  • Examples: Minerals, soil, water, air.

b) Human-Made Resources

These are resources created or modified by human beings using natural resources.

• Examples: Buildings, machinery, vehicles, roads.

Classification Based on Renewability

a) Renewable Resources

• Can be replenished naturally over a short period.
• Examples: Solar energy, wind energy, water, forests, and crops.
• Features:
  • Regenerate naturally.
  • Sustainable if managed properly.
  • Often environment-friendly.

b) Non-Renewable

Constructor

A constructor is a special method in object-oriented programming that is automatically called when an instance (object) of a class is created. The main purpose of a constructor is to initialize the object's attributes (properties) and allocate resources if needed. Constructors have the same name as the class and do not have a return type.

Example of a Constructor

Here is an example in Python:

class Person:
    def __init__(self):
        self.name = "John Doe"
        self.age = 30

# Creating an instance of the Person class
person = Person()

print(person.name)  # Output: John Doe
print(person.age)   # Output: 30

In this example, __init__ is the constructor method in the Person class. It initializes the name and age attributes of the...

Regulation of Enzyme Activity

Enzymes are the workhorses of cells, catalyzing the thousands of biochemical reactions that keep cells alive and functioning. The activity of enzymes is carefully controlled to ensure that the proper amount of product is produced at the right time.

Why Regulate Enzyme Activity?

There are several reasons why cells need to regulate enzyme activity. First, the concentration of substrates and products can vary widely within the cell. If enzyme activity were constant, the rate of the reaction would also vary wildly, depending on the availability of substrates. Regulation allows the cell to adjust the rate of the reaction to match the needs of the cell.

Second, the cell needs to coordinate the activities of different enzymes...

Parabolic Motion

Is when an object has two dimensions: U.R.M on the horizontal axis and U.A.R.M on the vertical axis.

Vertical Motion

Is when we throw an object totally up, meaning that the initial velocity or force is only applied in the vertical axis.

Uniform Rectilinear Motion (U.R.M)

Is when an object travels in a straight line at a constant speed with zero acceleration.

Uniformly Accelerated Rectilinear Motion (U.A.R.M)

Is when an object travels in a straight line with constant acceleration.

Inertia

Property of objects to maintain their current state.

Law of Conservation of Matter

Energy is neither created nor destroyed, only transformed.

Gravitational Acceleration

Type of acceleration that attracts bodies towards the center of an astro.

Work

Scalar...

After the failure of the six democratic years, Cánovas del Castillo, the Prime Minister, led the Restoration process. He proposed Alfonso XII, son of Isabel II, as king of Spain and after the pronunciamiento of Sagunto by Martínez Campos in 1874, he became king and accepted to be a constitutional monarch. Moreover, Cánovas became regent and established a new system, the Canovite System.

Canovas convoked elections, under the democratic suffrage of the 1869 constitution, to Cortes in order to legalise and define a new monarchy. One of the first measures of the new government was the suppression of the left wing parties and labour movement, only those who accepted the principles of the constitutional monarchy had the right to free activity.

The

English Verb Tenses

Past Simple

Form:

• Regular verbs: Base form + -ed (e.g., wanted)
• Irregular verbs: Consult an irregular verb list (e.g., went)
• Negative: Did not + base form (e.g., didn't want)

Uses:

• Completed actions in the past (e.g., last year, yesterday, in 1937)

Past Continuous

Form:

• Was/Were + present participle (-ing form) (e.g., was walking, were talking)

Uses:

• Actions in progress at a specific time in the past
• Often used with "when" (past simple for the interrupting action) and "while" (past continuous for the longer action)

Present Perfect

Form:

• Have/Has + past participle (e.g., have talked, has eaten)

Uses:

• Actions completed at an unspecified time in the past
• Actions that started in the past and continue to the present
• Often used with "never," "ever,

Tourism poses a serious threat to the environment. Tourism is defined as the activities that people do during their trips in places other than the ones they live. Tourism activities have negative economic, socio-cultural, and ecological consequences.

Negative Effects of Tourism

• Less work affecting the economy of its citizens
• Social discrimination
• Pollution
• Wastewater treatment
• Waste management
• Resource depletion
• Soil erosion due to the impact of visitors
• Deterioration and destruction of the local fauna and flora

Positive Effects of Tourism

On the other hand, tourism brings the improvement of health care, greater tolerance and well-being, and the rehabilitation of monuments, buildings, and historical places.

Sustainable Tourism

All countries should work...

Enhance your understanding of common English words and phrases with this comprehensive list of terms and their clear definitions. Perfect for language learners and anyone looking to improve their vocabulary.

Plaster

A hard, white substance that protects broken bones.

Survey

A study.

Abroad

In a foreign country.

Actually

In fact.

Advertisements

Commercials.

Argue

Angrily telling someone you disagree.

Bargain

Something whose cost is significantly lower than its value.

Bargain Hunter

A person who looks for special offers to buy.

Be Aware Of

To know about something.

Blood Pressure

The pressure with which blood flows around the body.

Breaking News

The most recent news.

Broadcast

To send out a program on television or radio.

Broadsheet

Serious newspapers.

Browse

To look for

The American Food Industry

From Farm to Factory

Global Food Insecurity

Today, with a global population of 7.8 billion, approximately 15% face challenges accessing food and drinkable water. The shift from rural to urban living, with over half the population now residing in cities, has transformed our relationship with food.

The Rise of Industrialized Agriculture

Population growth and urbanization have led to significant changes in food production. The development of tractors and other agricultural tools increased productivity, while advancements in chemistry, such as GMOs and pesticides, boosted production per square mile. This led to the adoption of Fordist principles, increasing scale and transforming agriculture into a factory system.

In recent...