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GCSE

What are the main components of an animal cell? What are their functions?

Cell membrane - semi-permeable barrier, allowing some substances in but not otherscytoplasm - material in the cell which contains dissolved salts, minerals and organelles. mitochondria - Where respiration...

ED
Answered by Emily D. Biology tutor
2861 Views

In terms of structure and bonding, explain why graphite is able to conduct electricity.

Carbon is in group 4 of the periodic table therefore has 4 electrons in its outer shell which are available for bonding. Each carbon atom in graphite forms 3 covalent bonds with another carbon atom within...

HK
9983 Views

Tu amigo argentino, Pedro, te ha preguntado sobre lo que haces con tus amigos. Menciona: deportes, redes sociales, televisión, centro comercial.

Hola Pedro,
¡Cuánto tiempo! Pues, cuando estoy con mis amigos hacemos un montón de cosas, como jugar al deporte o salir a los centros comerciales. Pero en los días en los que no nos podemos ver, sole...

JP
Answered by Jordan P. Spanish tutor
2560 Views

What is opportunity cost?

Opportunity cost is something that we think about everyday but we don't always use that word. It is defined as the benefits lost from the next best alternative choice.This sounds wordy, but in an example ...

EA
Answered by Emily A. Economics tutor
2253 Views

How do I form the present participle?

With regular verbs, forming the present participle requires three easy steps:Conjugate the verb into its 'nous' form, eg. jouer - jouons / finir - finissons / vendre - vendonsNow, remove this ending. This...

EP
Answered by Eleanor P. French tutor
2191 Views

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