Transport in plants refers to the movement of water, nutrients, sugars, and other substances within a plant's body. There are two main types of transport in plants:
Hydrogen can be used as a fuel. Which properties of hydrogen would be advantages and which would be disadvantages? 1 2 3 Hydrogen is expensive to produce. Hydrogen reacts exothermically
John takes t minutes to cycle to school. a It takes him three times as long to walk to school. Write down, in terms of t, how long it takes
1.What is the SI unit of electric charge? a) Ampere b) Coulomb c) Volt d) Ohm 2.What does Gauss's Law in electrostatics describe? a) Electric flux through a closed surface
In the Periodic Table, how does the metallic character of the elements vary from left to right across a period? A It decreases. B It increases. C It increases then
Use the climate data to suggest which months are in the wet season in Costa Rica. from (ii) The annual rainfall range is the difference between the maximum and minimum
“If there is one lesson I've learned from failure and success, it's this. I am not the outcome. I am never the result. I am only the effort.”
Solve the equation: 2x + 5 = 13
Density (volumetric mass density or specific mass) is the substance's mass per unit of volume.
Deforestation and climate change are two possible causes of the population decrease of the Resplendent Quetzal birds. Suggest two other possible causes of the population decrease of the Resplendent Quetzal
In physics, work is the energy transferred to or from an object via the application of force along a displacement.
Transportation in Animals. Transportation in animals is the movement of food, water, and oxygen to different parts of the body.
Thermal properties of materials refer to the response of materials to changes in their temperature and to the application of heat. As a solid absorbs energy in the form of
In physics, mathematics, and related fields, a wave is a propagating dynamic disturbance (change from equilibrium) of one or more quantities. Waves can be periodic, in which case those quantities
Motion involves a change in the position of an object over time. Motion influences when objects move and the forces necessary to make them move.
“People who do a job that claims to be creative have to be alone to recharge their batteries. You can’t live 24 hours a day in the spotlight and remain
The study of light and the interaction of light and matter is termed optics. The observation and study of optical phenomena such as rainbows and the aurora borealis offer many
Which language is used for creating Web Pages? (A) PASCAL (B) C (C) HTML (D) BASIC
The diagram shows some of the structures in a human lung. Where is the carbon dioxide concentration highest?
A reactivity series (or activity series) is an empirical, calculated, and structurally analytical progression of a series of metals, arranged by their "reactivity" from highest to lowest.