𝓣𝓮𝓮𝓷𝓼 𝓥𝓲𝓵𝓵𝓮✨

1a. (I) The binomial system of nomenclature is a way of naming living organisms using two words. It's like giving them a first and last name! For example, humans are called Homo sapiens. 🌿🔍 1.a (ii) The binomial system of nomenclature is a way of naming living organisms using two words. For example, humans are called Homo sapiens. B. maize is known as Zea mays. 🌽🔍 1.a (iii) Two scientists associated with the classification of living and non-living things are Carl Linnaeus and Carolus Linnaeus. 🌿🔬 1. b(i) An ionic bond is a type of chemical bond where atoms transfer electrons to form ions. It's like a friendship where one gives and the other takes 1.c(i) A single fertilizer refers to a type of fertilizer that contains only one nutrient, such as nitrogen (N), phosphorus (P), or potassium (K). It's like a specialized nutrient boost for plants

Question 2 a(i) 1. Mulching prevents soil erosion 2. Mulching reduces weed growth 3. Mulching increases soil fertility 2. a(ii) (a) Hoeing: Hoeing helps to break up the soil, remove weeds, and improve soil aeration. (b) Stumping: Stumping involves removing tree stumps from the land, which helps to clear the area and create a smooth surface for farming or construction. 2.b(i)Sea breeze occurs when cooler air from the sea moves towards the land, replacing the warmer air over the land. This happens because during the day, the land heats up faster than the sea. The warm air over the land rises, creating a low-pressure area. The cooler air from the sea then moves in to fill this void, creating a refreshing breeze. It's a natural way for the land and sea to balance out temperature differences. 🌊🌬️ 2c. (i) (a) Malleability: Malleability refers to the ability of a metal to be hammered or pressed into different shapes without breaking. It's like when you can easily flatten a piece of metal into a thin sheet. (b) Soronity: I'm sorry, but I'm not familiar with the term "soronity." It might be a typo or a less common term. Could you please provide more context or clarify the term? (c) Lustre: Lustre refers to the shininess or reflectivity of a metal's surface. Metals with high lustre have a bright and reflective appearance, like a polished mirror.

Question 3 3ai. Greenhouse gases are gases that trap heat in the Earth's atmosphere, like carbon dioxide and methane. ii.carbon dioxide and methane iii. 1.Greenhouse gases are important to humans because they help regulate the Earth's temperature and make it suitable for life. 2 .They play a role in agriculture by helping plants grow. 3b. The four basic components of the mammalian skeleton are bones, joints, cartilage, and ligaments. 2. d(i) Biodiversity refers to the variety of living organisms in a particular area or on Earth. It includes the diversity of species, their genetic variations, and the different ecosystems they inhabit. Biodiversity is important because it contributes to the stability and resilience of ecosystems, supports essential ecological processes, and provides us with valuable resources. It's like having a wide range of different plants, animals, and ecosystems all living together in harmony. 🌿🦁🌍 3d. Radioactivity is the emission of radiation from unstable atomic nuclei. It can be natural or artificial. Ii.1. Radioactivity can have harmful effects on living organism by damaging cells and DNA. 2.causing radiation sickness 3.and increasing the risk of cancer.

1.c(ii) Sure! Two examples of single fertilizers are urea, which is a nitrogen-based fertilizer, and superphosphate, which is a phosphorus-based fertilizer. 1. d(i) When evaporation happens, liquid turns into vapor and takes away heat energy from the surroundings. This process cools down the environment. It's like sweating on a hot day, making you feel cooler 1. d(ii) Sure! Two practical examples where evaporation leads to cooling are sweating, which cools down our bodies when the sweat evaporates, and the use of evaporative coolers, which work by evaporating water to cool the air in hot and dry climates. It's like nature's way of keeping things cool

5cii. Diaphragm: The diaphragm is responsible for the main muscular action involved in breathing. When it contracts, it flattens and creates a negative pressure in the chest cavity, allowing for inhalation. Intercostal Muscle: Intercostal muscles help expand and contract the ribcage during breathing. They play a crucial role in the expansion of the chest cavity during inhalation and the contraction during exhalation. Ribs: Ribs protect vital organs in the chest, such as the heart and lungs, from injury and provide structural support to the chest cavity. They also play a role in aiding the expansion and contraction of the chest during breathing. 5ci. Immovable Joint: The skull sutures, such as the coronal suture, are examples of immovable joints in the human body. Movable Joint: The knee joint is an example of a movable joint in the human body.

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