Ques: Q: What is the upper most level of earth's layers called? Read this paragraph and choose the correct option from the provided answers: You can't go to the mantle but small pieces of the mantle can come to you. Kimberlite forms deep in the mantle and is erupted violently into the crust. Kimberlite can contain diamonds. Most kimberlites reached the surface much earlier in Earth history. Choices: - surface - volcanic - mantle - crust A:
Ans: crust

Ques: Q: By 180 million years ago, pangaea began to do what? Read this paragraph and choose the correct option from the provided answers: By 180 million years ago, Pangaea began to break up. The continents started to drift apart. They slowly moved to where they are today. The movement of the continents caused Panthalassa to break into smaller oceans. These oceans are now known as the Pacific, Atlantic, Indian, and Arctic Oceans. The waters of all the oceans are connected. That's why some people refer to the oceans together as the "World Ocean. ". Choices: - combine - freeze - grow - break up A:
Ans: break up

Ques: Q: What is the sum of all biochemical reactions in cells called? Read this paragraph and choose the correct option from the provided answers: Biochemical reactions are chemical reactions that take place inside living things. Thousands of biochemical reactions continuously take place inside each cell. The sum of all these biochemical reactions is called metabolism. Choices: - respiration - diffusion - evolution - metabolism A:
Ans: metabolism

Ques: Q: What gland is a butterfly-shaped organ located in the neck anterior to the trachea? Read this paragraph and choose the correct option from the provided answers: 17.4 The Thyroid Gland The thyroid gland is a butterfly-shaped organ located in the neck anterior to the trachea. Its hormones regulate basal metabolism, oxygen use, nutrient metabolism, the production of ATP, and calcium homeostasis. They also contribute to protein synthesis and the normal growth and development of body tissues, including maturation of the nervous system, and they increase the body's sensitivity to catecholamines. The thyroid hormones triiodothyronine (T3) and thyroxine (T4) are produced and secreted by the thyroid gland in response to thyroid-stimulating hormone (TSH) from the anterior pituitary. Synthesis of the amino acidderived T3 and T4 hormones requires iodine. Insufficient amounts of iodine in the diet can lead to goiter, cretinism, and many other disorders. Choices: - pituitary gland - pineal gland - adrenal gland - thyroid gland A:
Ans:
thyroid gland