Which correctly lists three greenhouse gases? 1)oxygen, carbon dioxide, helium.
2)carbon dioxide, nitrous oxide, methane.
3)helium, methane, oxygen.
4)methane, oxygen, carbon dioxide.

Option A : the fern transitined from gametophyte generation to sporophyte generation.

Leslie argues that an organism called a Euglena is a plant because it is eukaryotic, has a nucleus, makes its own food, and is unicellular. Where is Leslie's error? Plants do not make their own food..

In school, Brendan has been conditioned to get up from his seat every time he hears the school bell ring.

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The Parker probe.

Explaination:

Answer : 900 kg pumpkins

A scientist look for in a plant that would identify it as a club moss rather than a liverwort.

Chromosome DNA Diploid EggGamete Haploid Meiosis Replication Sexual Reproduction Sperm..
This is an organism or cell with two sets of chromosomes.
This is a haploid cell with half the reproductive information from the parent.
This is a cell or organism having half of the diploid chromosome number, symbolized by "n".

The nerves and muscles communicated with each other to trigger her reflexive response…

when soaked in dilute sodium chloride solution onion gain mass because of the process of osmosis.

 Explanation: Osmosis is a process when there is movement of water from the region of comparatively higher concentration to the region of lower concentration across in a permeable membrane.

Example with explaination :

Answer : a).Bar graph.... kind of display would be the best way to represent the data.