Answer the following question given this paragraph: Sexual reproduction is more complicated. It involves two parents. Special cells called gametes are produced by the parents. A gamete produced by a female parent is generally called an egg . A gamete produced by a male parent is usually called a sperm . An offspring forms when two gametes unite. The union of the two gametes is called fertilization . You can see a human sperm and egg uniting in Figure below . The initial cell that forms when two gametes unite is called a zygote . Q: In sexual reproduction, what is the name of the gamete cell the male must contribute? Choices: - plasma - spore - ova - sperm A:
sperm
(Question)
Answer the following question given this paragraph: Plant-like protists are called algae. They include single-celled diatoms and multicellular seaweed. Like plants, they contain chlorophyll and make food by photosynthesis. Types of algae include red and green algae, euglenids, and dinoflagellates. Q: Plant-like protists are called what? Choices: - bacterium - sponge - yeasts - algae A:
(Answer)
algae
Ques: Answer the following question given this paragraph: The electron cloud of a helium atom contains two electrons, which can normally be expected to be equally distributed spatially around the nucleus. However, at any given moment the electron distribution may be uneven, resulting in an instantaneous dipole. This weak and temporary dipole subsequently influences neighboring helium atoms through electrostatic attraction and repulsion. It induces a dipole on nearby helium atoms (see Figure below ). Q: A weak and temporary dipole that influences nearby atoms through electrostatic attraction and repulsion is known as what? Choices: - a fused dipole - an incomplete dipole - an debased dipole - an instantaneous dipole A:
Ans: an instantaneous dipole
(Q).
Answer the following question given this paragraph: Did you ever see workers sandblasting a building to clean it? Sand is blown onto the surface to scour away dirt and debris. Wind-blown sand has the same effect. It scours and polishes rocks and other surfaces. Wind-blown sand may carve rocks into interesting shapes. You can see an example in Figure below . This form of erosion is called abrasion. It occurs any time rough sediments are blown or dragged over surfaces. Can you think of other ways abrasion might occur?. Q: Wind blown sand contributes to what type of erosion? Choices: - vegetation - sedimentary - filtration - abrasion A:
(A).
abrasion
Ques:Answer the following question given this paragraph: Force is defined as a push or pull acting on an object. Forces include gravity, friction, and applied force. Q: What is defined as a push or pull acting on an object? Choices: - effort - motion - work - force A:

Ans:force
Ques: Answer the following question given this paragraph: Bacteria and viruses can infect the brain or spinal cord. An infection of the brain is called encephalitis. An infection of the membranes that cover the brain and spinal cord is called meningitis. A vaccine is available to prevent meningitis caused by viruses (see Figure below ). Q: An infection of the brain is called? Choices: - tuberculosis - influenza - syphilis - encephalitis A:
Ans:
encephalitis