What are the functions of spirogyra?

If you hold a balloon by a string and the balloon moves towards your sweater and sticks there, what would you infer

Which of the following examples is a way to live sustainably? Question 26 options: 1) Leave computer screens and light bulbs on. 2) Recycle and reuse materials. 3) Drive your car as much as possible. 4) Have a nice green, fertilized lawn.

Which types of bonds create ions?

What must occur for speciation to happen?

When lead acts as a poison, it can do so by either replacing another ion (such as zinc) in the active site of an enzyme or reacting with cysteine side chains to form covalent bonds. which of these is irreversible and why?

Movement of substances that requires the expenditure od atp molecules is called

Which main plant tissue is shown in green?

What substances move freely through the shell of the egg?

Fossil records suggest major changes in early vascular plants that favored the evolution of land plants. Which was one of these major changes? Select one of the options below as your answer: A. Development of fruit B. Development of seed C.

What deep sea mining is